./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.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_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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_cd009c72-7208-42ce-bd79-13ee59b4704c/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 ea32418662631d937072e43289b24605e58b22ecfd456d085c8eb6b0c4e2a9cc --- 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 12:27:59,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:27:59,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:27:59,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:27:59,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:27:59,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:27:59,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:27:59,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:27:59,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:27:59,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:27:59,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:27:59,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:27:59,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:27:59,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:27:59,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:27:59,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:27:59,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:27:59,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:27:59,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:27:59,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:27:59,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:27:59,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:27:59,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:27:59,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:27:59,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:27:59,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:27:59,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:27:59,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:27:59,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:27:59,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:27:59,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:27:59,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:27:59,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:27:59,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:27:59,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:27:59,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:27:59,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:27:59,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:27:59,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:27:59,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:27:59,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:27:59,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:27:59,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:27:59,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:27:59,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:27:59,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:27:59,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:27:59,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:27:59,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:27:59,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:27:59,459 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:27:59,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:27:59,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:27:59,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:27:59,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:27:59,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:27:59,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:27:59,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:27:59,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:27:59,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:27:59,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:27:59,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:27:59,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:27:59,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:27:59,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:27:59,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:27:59,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:27:59,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:27:59,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:27:59,467 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:27:59,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:27:59,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:27:59,468 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_cd009c72-7208-42ce-bd79-13ee59b4704c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea32418662631d937072e43289b24605e58b22ecfd456d085c8eb6b0c4e2a9cc [2022-11-16 12:27:59,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:27:59,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:27:59,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:27:59,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:27:59,844 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:27:59,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:27:59,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/b5bb6acd9/1ec1221c35c64631aa76f98c66eec0c7/FLAG9be8b1072 [2022-11-16 12:28:00,779 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:28:00,780 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:28:00,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/b5bb6acd9/1ec1221c35c64631aa76f98c66eec0c7/FLAG9be8b1072 [2022-11-16 12:28:00,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/b5bb6acd9/1ec1221c35c64631aa76f98c66eec0c7 [2022-11-16 12:28:00,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:28:00,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:28:00,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:00,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:28:00,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:28:00,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:00" (1/1) ... [2022-11-16 12:28:00,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86009d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:00, skipping insertion in model container [2022-11-16 12:28:00,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:00" (1/1) ... [2022-11-16 12:28:00,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:28:00,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:28:01,258 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_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c[1014,1027] [2022-11-16 12:28:01,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:01,863 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:28:01,885 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_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c[1014,1027] [2022-11-16 12:28:02,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:02,287 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:28:02,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02 WrapperNode [2022-11-16 12:28:02,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:02,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:02,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:28:02,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:28:02,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,612 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4985 [2022-11-16 12:28:02,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:02,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:28:02,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:28:02,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:28:02,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:28:02,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:28:02,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:28:02,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:28:02,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (1/1) ... [2022-11-16 12:28:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:28:02,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:02,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:28:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:28:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:28:03,709 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:28:03,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:28:08,024 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:28:08,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:28:08,042 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:28:08,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:08 BoogieIcfgContainer [2022-11-16 12:28:08,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:28:08,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:28:08,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:28:08,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:28:08,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:28:00" (1/3) ... [2022-11-16 12:28:08,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46de2862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:08, skipping insertion in model container [2022-11-16 12:28:08,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:02" (2/3) ... [2022-11-16 12:28:08,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46de2862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:08, skipping insertion in model container [2022-11-16 12:28:08,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:08" (3/3) ... [2022-11-16 12:28:08,061 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:28:08,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:28:08,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:28:08,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:28:08,242 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;@4a036d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:28:08,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:28:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 798 states have (on average 1.6641604010025062) internal successors, (1328), 799 states have internal predecessors, (1328), 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 12:28:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:28:08,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:08,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:08,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:08,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:08,281 INFO L85 PathProgramCache]: Analyzing trace with hash 753767930, now seen corresponding path program 1 times [2022-11-16 12:28:08,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:08,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417676746] [2022-11-16 12:28:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:09,061 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 12:28:09,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:09,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417676746] [2022-11-16 12:28:09,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417676746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:09,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:09,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:28:09,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20610996] [2022-11-16 12:28:09,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:09,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:28:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:09,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:28:09,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:09,125 INFO L87 Difference]: Start difference. First operand has 800 states, 798 states have (on average 1.6641604010025062) internal successors, (1328), 799 states have internal predecessors, (1328), 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 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 12:28:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:09,373 INFO L93 Difference]: Finished difference Result 2413 states and 4017 transitions. [2022-11-16 12:28:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:28:09,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 12:28:09,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:09,403 INFO L225 Difference]: With dead ends: 2413 [2022-11-16 12:28:09,403 INFO L226 Difference]: Without dead ends: 1615 [2022-11-16 12:28:09,411 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 12:28:09,414 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 3942 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 2768 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 12:28:09,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 2768 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:28:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2022-11-16 12:28:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 798. [2022-11-16 12:28:09,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 797 states have (on average 1.6612296110414053) internal successors, (1324), 797 states have internal predecessors, (1324), 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 12:28:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1324 transitions. [2022-11-16 12:28:09,564 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1324 transitions. Word has length 23 [2022-11-16 12:28:09,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:09,564 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1324 transitions. [2022-11-16 12:28:09,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 12:28:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1324 transitions. [2022-11-16 12:28:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:28:09,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:09,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:09,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:28:09,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1893694406, now seen corresponding path program 1 times [2022-11-16 12:28:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115422245] [2022-11-16 12:28:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:09,878 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 12:28:09,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:09,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115422245] [2022-11-16 12:28:09,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115422245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:09,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:09,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:28:09,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430824225] [2022-11-16 12:28:09,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:09,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:28:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:28:09,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:09,884 INFO L87 Difference]: Start difference. First operand 798 states and 1324 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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 12:28:10,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:10,053 INFO L93 Difference]: Finished difference Result 3172 states and 5271 transitions. [2022-11-16 12:28:10,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:28:10,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) Word has length 24 [2022-11-16 12:28:10,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:10,077 INFO L225 Difference]: With dead ends: 3172 [2022-11-16 12:28:10,077 INFO L226 Difference]: Without dead ends: 2376 [2022-11-16 12:28:10,091 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 12:28:10,093 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 3932 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3932 SdHoareTripleChecker+Valid, 4023 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:10,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3932 Valid, 4023 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:28:10,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2022-11-16 12:28:10,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 800. [2022-11-16 12:28:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 799 states have (on average 1.6595744680851063) internal successors, (1326), 799 states have internal predecessors, (1326), 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 12:28:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1326 transitions. [2022-11-16 12:28:10,206 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1326 transitions. Word has length 24 [2022-11-16 12:28:10,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:10,206 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1326 transitions. [2022-11-16 12:28:10,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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 12:28:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1326 transitions. [2022-11-16 12:28:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:28:10,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:10,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:10,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:28:10,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:10,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:10,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1635447916, now seen corresponding path program 1 times [2022-11-16 12:28:10,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:10,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249874703] [2022-11-16 12:28:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:10,542 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 12:28:10,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:10,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249874703] [2022-11-16 12:28:10,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249874703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:10,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:10,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:28:10,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474407404] [2022-11-16 12:28:10,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:10,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:28:10,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:10,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:28:10,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:10,546 INFO L87 Difference]: Start difference. First operand 800 states and 1326 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 12:28:11,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:11,198 INFO L93 Difference]: Finished difference Result 3192 states and 5294 transitions. [2022-11-16 12:28:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:28:11,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2022-11-16 12:28:11,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:11,211 INFO L225 Difference]: With dead ends: 3192 [2022-11-16 12:28:11,211 INFO L226 Difference]: Without dead ends: 2394 [2022-11-16 12:28:11,216 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 12:28:11,224 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 3906 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3906 SdHoareTripleChecker+Valid, 3863 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:11,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3906 Valid, 3863 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:28:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2022-11-16 12:28:11,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 820. [2022-11-16 12:28:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 819 states have (on average 1.6581196581196582) internal successors, (1358), 819 states have internal predecessors, (1358), 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 12:28:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1358 transitions. [2022-11-16 12:28:11,300 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1358 transitions. Word has length 25 [2022-11-16 12:28:11,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:11,303 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1358 transitions. [2022-11-16 12:28:11,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 12:28:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1358 transitions. [2022-11-16 12:28:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 12:28:11,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:11,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:11,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:28:11,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:11,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:11,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1854338260, now seen corresponding path program 1 times [2022-11-16 12:28:11,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:11,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088816963] [2022-11-16 12:28:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:11,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:11,781 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 12:28:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:11,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088816963] [2022-11-16 12:28:11,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088816963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:11,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:11,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:28:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123086147] [2022-11-16 12:28:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:11,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:28:11,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:11,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:28:11,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:11,787 INFO L87 Difference]: Start difference. First operand 820 states and 1358 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 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 12:28:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:12,188 INFO L93 Difference]: Finished difference Result 2396 states and 3973 transitions. [2022-11-16 12:28:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:28:12,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 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 26 [2022-11-16 12:28:12,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:12,196 INFO L225 Difference]: With dead ends: 2396 [2022-11-16 12:28:12,197 INFO L226 Difference]: Without dead ends: 1598 [2022-11-16 12:28:12,198 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 12:28:12,200 INFO L413 NwaCegarLoop]: 1292 mSDtfsCounter, 1305 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 3851 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:12,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 3851 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:28:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2022-11-16 12:28:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 821. [2022-11-16 12:28:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 820 states have (on average 1.6573170731707316) internal successors, (1359), 820 states have internal predecessors, (1359), 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 12:28:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1359 transitions. [2022-11-16 12:28:12,233 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1359 transitions. Word has length 26 [2022-11-16 12:28:12,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:12,234 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1359 transitions. [2022-11-16 12:28:12,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 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 12:28:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1359 transitions. [2022-11-16 12:28:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 12:28:12,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:12,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:12,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:28:12,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2047602026, now seen corresponding path program 1 times [2022-11-16 12:28:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429440840] [2022-11-16 12:28:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:12,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:12,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:12,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:12,500 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:28:12,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:28:12,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:28:12,512 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:28:12,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:28:12,639 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:28:12,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:28:12 BoogieIcfgContainer [2022-11-16 12:28:12,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:28:12,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:28:12,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:28:12,692 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:28:12,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:08" (3/4) ... [2022-11-16 12:28:12,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:28:12,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:28:12,697 INFO L158 Benchmark]: Toolchain (without parser) took 11857.15ms. Allocated memory was 130.0MB in the beginning and 478.2MB in the end (delta: 348.1MB). Free memory was 91.3MB in the beginning and 193.2MB in the end (delta: -101.8MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,697 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:12,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.70ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.2MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 323.86ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 75.1MB in the beginning and 124.5MB in the end (delta: -49.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,698 INFO L158 Benchmark]: Boogie Preprocessor took 297.63ms. Allocated memory is still 195.0MB. Free memory was 124.5MB in the beginning and 120.3MB in the end (delta: 4.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,699 INFO L158 Benchmark]: RCFGBuilder took 5133.31ms. Allocated memory was 195.0MB in the beginning and 341.8MB in the end (delta: 146.8MB). Free memory was 120.3MB in the beginning and 214.7MB in the end (delta: -94.4MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,699 INFO L158 Benchmark]: TraceAbstraction took 4641.88ms. Allocated memory was 341.8MB in the beginning and 478.2MB in the end (delta: 136.3MB). Free memory was 214.7MB in the beginning and 194.2MB in the end (delta: 20.5MB). Peak memory consumption was 155.8MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,700 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 478.2MB. Free memory was 194.2MB in the beginning and 193.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:28:12,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.70ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.2MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 323.86ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 75.1MB in the beginning and 124.5MB in the end (delta: -49.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 297.63ms. Allocated memory is still 195.0MB. Free memory was 124.5MB in the beginning and 120.3MB in the end (delta: 4.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5133.31ms. Allocated memory was 195.0MB in the beginning and 341.8MB in the end (delta: 146.8MB). Free memory was 120.3MB in the beginning and 214.7MB in the end (delta: -94.4MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4641.88ms. Allocated memory was 341.8MB in the beginning and 478.2MB in the end (delta: 136.3MB). Free memory was 214.7MB in the beginning and 194.2MB in the end (delta: 20.5MB). Peak memory consumption was 155.8MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 478.2MB. Free memory was 194.2MB in the beginning and 193.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 303, overapproximation of bitwiseAnd at line 305, overapproximation of bitwiseXor at line 297. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_120 = 0; [L39] const SORT_2 var_135 = 17; [L40] const SORT_2 var_136 = 1; [L41] const SORT_2 var_141 = 100; [L42] const SORT_2 var_142 = 0; [L43] const SORT_2 var_143 = 18; [L44] const SORT_4 var_148 = 0; [L45] const SORT_3 var_149 = 0; [L46] const SORT_4 var_151 = 1; [L47] const SORT_4 var_156 = 2; [L48] const SORT_4 var_158 = 3; [L49] const SORT_4 var_160 = 4; [L50] const SORT_4 var_162 = 5; [L51] const SORT_4 var_164 = 6; [L52] const SORT_4 var_166 = 7; [L53] const SORT_4 var_168 = 8; [L54] const SORT_4 var_170 = 9; [L55] const SORT_4 var_172 = 10; [L56] const SORT_4 var_174 = 11; [L57] const SORT_4 var_176 = 12; [L58] const SORT_4 var_178 = 13; [L59] const SORT_4 var_180 = 14; [L60] const SORT_4 var_182 = 15; [L61] const SORT_4 var_184 = 16; [L62] const SORT_2 var_270 = 16; [L63] const SORT_2 var_271 = 2; [L64] const SORT_2 var_285 = 15; [L65] const SORT_2 var_286 = 3; [L66] const SORT_2 var_300 = 14; [L67] const SORT_2 var_301 = 4; [L68] const SORT_2 var_315 = 13; [L69] const SORT_2 var_316 = 5; [L70] const SORT_2 var_330 = 12; [L71] const SORT_2 var_331 = 6; [L72] const SORT_2 var_345 = 11; [L73] const SORT_2 var_346 = 7; [L74] const SORT_2 var_360 = 10; [L75] const SORT_2 var_361 = 8; [L76] const SORT_2 var_375 = 9; [L77] const SORT_4 var_483 = 17; [L79] SORT_1 input_146; [L80] SORT_1 input_203; [L81] SORT_1 input_246; [L82] SORT_1 input_248; [L83] SORT_1 input_504; [L84] SORT_1 input_506; [L86] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] SORT_2 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] SORT_2 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] SORT_2 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] SORT_2 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] SORT_2 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] SORT_2 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] SORT_2 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] SORT_2 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] SORT_2 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] SORT_2 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] SORT_2 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L117] SORT_2 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L118] SORT_2 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L119] SORT_2 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L120] SORT_2 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L121] SORT_2 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L122] SORT_2 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L123] SORT_2 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L124] SORT_2 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L125] SORT_2 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L126] SORT_2 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L127] SORT_2 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L128] SORT_2 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L129] SORT_2 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L130] SORT_2 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L131] SORT_2 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L132] SORT_2 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L133] SORT_2 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L134] SORT_2 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L135] SORT_2 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L136] SORT_2 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L137] SORT_2 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L138] SORT_2 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L139] SORT_2 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L140] SORT_2 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L141] SORT_2 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L142] SORT_2 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L143] SORT_1 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] SORT_1 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_1 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] SORT_2 init_7_arg_1 = var_5; [L152] state_6 = init_7_arg_1 [L153] SORT_2 init_9_arg_1 = var_5; [L154] state_8 = init_9_arg_1 [L155] SORT_2 init_11_arg_1 = var_5; [L156] state_10 = init_11_arg_1 [L157] SORT_2 init_13_arg_1 = var_5; [L158] state_12 = init_13_arg_1 [L159] SORT_2 init_15_arg_1 = var_5; [L160] state_14 = init_15_arg_1 [L161] SORT_2 init_17_arg_1 = var_5; [L162] state_16 = init_17_arg_1 [L163] SORT_2 init_19_arg_1 = var_5; [L164] state_18 = init_19_arg_1 [L165] SORT_2 init_21_arg_1 = var_5; [L166] state_20 = init_21_arg_1 [L167] SORT_2 init_23_arg_1 = var_5; [L168] state_22 = init_23_arg_1 [L169] SORT_2 init_25_arg_1 = var_5; [L170] state_24 = init_25_arg_1 [L171] SORT_2 init_27_arg_1 = var_5; [L172] state_26 = init_27_arg_1 [L173] SORT_2 init_29_arg_1 = var_5; [L174] state_28 = init_29_arg_1 [L175] SORT_2 init_31_arg_1 = var_5; [L176] state_30 = init_31_arg_1 [L177] SORT_2 init_33_arg_1 = var_5; [L178] state_32 = init_33_arg_1 [L179] SORT_2 init_35_arg_1 = var_5; [L180] state_34 = init_35_arg_1 [L181] SORT_2 init_37_arg_1 = var_5; [L182] state_36 = init_37_arg_1 [L183] SORT_2 init_39_arg_1 = var_5; [L184] state_38 = init_39_arg_1 [L185] SORT_2 init_41_arg_1 = var_5; [L186] state_40 = init_41_arg_1 [L187] SORT_2 init_43_arg_1 = var_5; [L188] state_42 = init_43_arg_1 [L189] SORT_2 init_45_arg_1 = var_5; [L190] state_44 = init_45_arg_1 [L191] SORT_2 init_47_arg_1 = var_5; [L192] state_46 = init_47_arg_1 [L193] SORT_2 init_49_arg_1 = var_5; [L194] state_48 = init_49_arg_1 [L195] SORT_2 init_51_arg_1 = var_5; [L196] state_50 = init_51_arg_1 [L197] SORT_2 init_53_arg_1 = var_5; [L198] state_52 = init_53_arg_1 [L199] SORT_2 init_55_arg_1 = var_5; [L200] state_54 = init_55_arg_1 [L201] SORT_2 init_57_arg_1 = var_5; [L202] state_56 = init_57_arg_1 [L203] SORT_2 init_59_arg_1 = var_5; [L204] state_58 = init_59_arg_1 [L205] SORT_2 init_61_arg_1 = var_5; [L206] state_60 = init_61_arg_1 [L207] SORT_2 init_63_arg_1 = var_5; [L208] state_62 = init_63_arg_1 [L209] SORT_2 init_65_arg_1 = var_5; [L210] state_64 = init_65_arg_1 [L211] SORT_2 init_67_arg_1 = var_5; [L212] state_66 = init_67_arg_1 [L213] SORT_2 init_69_arg_1 = var_5; [L214] state_68 = init_69_arg_1 [L215] SORT_2 init_71_arg_1 = var_5; [L216] state_70 = init_71_arg_1 [L217] SORT_2 init_73_arg_1 = var_5; [L218] state_72 = init_73_arg_1 [L219] SORT_2 init_75_arg_1 = var_5; [L220] state_74 = init_75_arg_1 [L221] SORT_2 init_77_arg_1 = var_5; [L222] state_76 = init_77_arg_1 [L223] SORT_2 init_79_arg_1 = var_5; [L224] state_78 = init_79_arg_1 [L225] SORT_2 init_81_arg_1 = var_5; [L226] state_80 = init_81_arg_1 [L227] SORT_2 init_83_arg_1 = var_5; [L228] state_82 = init_83_arg_1 [L229] SORT_2 init_85_arg_1 = var_5; [L230] state_84 = init_85_arg_1 [L231] SORT_2 init_87_arg_1 = var_5; [L232] state_86 = init_87_arg_1 [L233] SORT_2 init_89_arg_1 = var_5; [L234] state_88 = init_89_arg_1 [L235] SORT_2 init_91_arg_1 = var_5; [L236] state_90 = init_91_arg_1 [L237] SORT_2 init_93_arg_1 = var_5; [L238] state_92 = init_93_arg_1 [L239] SORT_2 init_95_arg_1 = var_5; [L240] state_94 = init_95_arg_1 [L241] SORT_2 init_97_arg_1 = var_5; [L242] state_96 = init_97_arg_1 [L243] SORT_2 init_99_arg_1 = var_5; [L244] state_98 = init_99_arg_1 [L245] SORT_2 init_101_arg_1 = var_5; [L246] state_100 = init_101_arg_1 [L247] SORT_2 init_103_arg_1 = var_5; [L248] state_102 = init_103_arg_1 [L249] SORT_2 init_105_arg_1 = var_5; [L250] state_104 = init_105_arg_1 [L251] SORT_2 init_107_arg_1 = var_5; [L252] state_106 = init_107_arg_1 [L253] SORT_2 init_109_arg_1 = var_5; [L254] state_108 = init_109_arg_1 [L255] SORT_2 init_111_arg_1 = var_5; [L256] state_110 = init_111_arg_1 [L257] SORT_2 init_113_arg_1 = var_5; [L258] state_112 = init_113_arg_1 [L259] SORT_2 init_115_arg_1 = var_5; [L260] state_114 = init_115_arg_1 [L261] SORT_2 init_117_arg_1 = var_5; [L262] state_116 = init_117_arg_1 [L263] SORT_2 init_119_arg_1 = var_5; [L264] state_118 = init_119_arg_1 [L265] SORT_1 init_122_arg_1 = var_120; [L266] state_121 = init_122_arg_1 [L267] SORT_1 init_124_arg_1 = var_120; [L268] state_123 = init_124_arg_1 [L269] SORT_1 init_126_arg_1 = var_120; [L270] state_125 = init_126_arg_1 [L271] SORT_1 init_128_arg_1 = var_120; [L272] state_127 = init_128_arg_1 [L273] SORT_1 init_130_arg_1 = var_120; [L274] state_129 = init_130_arg_1 [L275] SORT_1 init_132_arg_1 = var_120; [L276] state_131 = init_132_arg_1 [L277] SORT_1 init_134_arg_1 = var_120; [L278] state_133 = init_134_arg_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L281] input_146 = __VERIFIER_nondet_uchar() [L282] input_146 = input_146 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L283] input_203 = __VERIFIER_nondet_uchar() [L284] input_203 = input_203 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L285] input_246 = __VERIFIER_nondet_uchar() [L286] input_246 = input_246 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L287] input_248 = __VERIFIER_nondet_uchar() [L288] input_248 = input_248 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L289] input_504 = __VERIFIER_nondet_uchar() [L290] input_504 = input_504 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L291] input_506 = __VERIFIER_nondet_uchar() [L292] input_506 = input_506 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L295] SORT_2 var_137_arg_0 = var_136; [L296] SORT_2 var_137_arg_1 = state_118; [L297] SORT_2 var_137 = var_137_arg_0 ^ var_137_arg_1; VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=1, var_137_arg_0=1, var_137_arg_1=0, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L298] var_137 = var_137 & mask_SORT_2 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=17, var_137_arg_0=1, var_137_arg_1=0, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L299] SORT_2 var_138_arg_0 = var_135; [L300] SORT_2 var_138_arg_1 = var_137; [L301] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L302] SORT_1 var_139_arg_0 = var_138; [L303] SORT_1 var_139_arg_1 = ~state_133; VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=17, var_137_arg_0=1, var_137_arg_1=0, var_138=1, var_138_arg_0=17, var_138_arg_1=17, var_139_arg_0=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L304] var_139_arg_1 = var_139_arg_1 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=17, var_137_arg_0=1, var_137_arg_1=0, var_138=1, var_138_arg_0=17, var_138_arg_1=17, var_139_arg_0=1, var_139_arg_1=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L305] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=17, var_137_arg_0=1, var_137_arg_1=0, var_138=1, var_138_arg_0=17, var_138_arg_1=17, var_139=1, var_139_arg_0=1, var_139_arg_1=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L306] var_139 = var_139 & mask_SORT_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_11_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_7_arg_1=0, init_81_arg_1=0, init_83_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, init_9_arg_1=0, input_146=0, input_203=0, input_246=0, input_248=0, input_504=0, input_506=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=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_120=0, var_135=17, var_136=1, var_137=17, var_137_arg_0=1, var_137_arg_1=0, var_138=1, var_138_arg_0=17, var_138_arg_1=17, var_139=1, var_139_arg_0=1, var_139_arg_1=1, var_141=100, var_142=0, var_143=18, var_148=0, var_149=0, var_151=1, var_156=2, var_158=3, var_160=4, var_162=5, var_164=6, var_166=7, var_168=8, var_170=9, var_172=10, var_174=11, var_176=12, var_178=13, var_180=14, var_182=15, var_184=16, var_270=16, var_271=2, var_285=15, var_286=3, var_300=14, var_301=4, var_315=13, var_316=5, var_330=12, var_331=6, var_345=11, var_346=7, var_360=10, var_361=8, var_375=9, var_483=17, var_5=0] [L307] SORT_1 bad_140_arg_0 = var_139; [L308] CALL __VERIFIER_assert(!(bad_140_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, 800 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13085 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13085 mSDsluCounter, 14505 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9185 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5320 mSDtfsCounter, 287 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=821occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 4744 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 12:28:12,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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_cd009c72-7208-42ce-bd79-13ee59b4704c/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 ea32418662631d937072e43289b24605e58b22ecfd456d085c8eb6b0c4e2a9cc --- 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 12:28:15,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:28:15,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:28:15,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:28:15,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:28:15,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:28:15,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:28:15,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:28:15,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:28:15,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:28:15,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:28:15,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:28:15,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:28:15,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:28:15,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:28:15,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:28:15,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:28:15,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:28:15,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:28:15,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:28:15,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:28:15,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:28:15,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:28:15,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:28:15,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:28:15,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:28:15,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:28:15,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:28:15,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:28:15,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:28:15,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:28:15,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:28:15,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:28:15,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:28:15,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:28:15,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:28:15,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:28:15,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:28:15,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:28:15,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:28:15,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:28:15,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:28:15,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:28:15,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:28:15,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:28:15,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:28:15,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:28:15,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:28:15,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:28:15,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:28:15,573 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:28:15,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:28:15,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:28:15,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:28:15,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:28:15,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:28:15,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:28:15,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:28:15,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:28:15,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:28:15,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:28:15,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:28:15,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:28:15,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:28:15,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:28:15,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:28:15,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:28:15,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:28:15,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:28:15,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:28:15,582 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:28:15,582 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:28:15,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:28:15,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:28:15,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:28:15,584 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_cd009c72-7208-42ce-bd79-13ee59b4704c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea32418662631d937072e43289b24605e58b22ecfd456d085c8eb6b0c4e2a9cc [2022-11-16 12:28:16,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:28:16,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:28:16,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:28:16,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:28:16,129 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:28:16,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:28:16,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/75a7d743f/ed7a30da82364a46ac810843c61b3b2f/FLAGc6b4c4165 [2022-11-16 12:28:16,999 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:28:17,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:28:17,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/75a7d743f/ed7a30da82364a46ac810843c61b3b2f/FLAGc6b4c4165 [2022-11-16 12:28:17,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/data/75a7d743f/ed7a30da82364a46ac810843c61b3b2f [2022-11-16 12:28:17,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:28:17,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:28:17,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:17,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:28:17,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:28:17,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:17" (1/1) ... [2022-11-16 12:28:17,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b7b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:17, skipping insertion in model container [2022-11-16 12:28:17,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:17" (1/1) ... [2022-11-16 12:28:17,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:28:17,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:28:17,602 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_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c[1014,1027] [2022-11-16 12:28:18,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:18,243 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:28:18,256 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_cd009c72-7208-42ce-bd79-13ee59b4704c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.4.prop1-func-interl.c[1014,1027] [2022-11-16 12:28:18,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:18,570 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:28:18,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18 WrapperNode [2022-11-16 12:28:18,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:18,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:18,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:28:18,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:28:18,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,840 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3144 [2022-11-16 12:28:18,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:18,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:28:18,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:28:18,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:28:18,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:18,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:19,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:19,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:19,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:28:19,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:28:19,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:28:19,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:28:19,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (1/1) ... [2022-11-16 12:28:19,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:28:19,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:19,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:19,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:28:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:28:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:28:20,177 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:28:20,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:28:27,162 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:28:27,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:28:27,170 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:28:27,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:27 BoogieIcfgContainer [2022-11-16 12:28:27,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:28:27,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:28:27,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:28:27,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:28:27,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:28:17" (1/3) ... [2022-11-16 12:28:27,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5244dd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:27, skipping insertion in model container [2022-11-16 12:28:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:18" (2/3) ... [2022-11-16 12:28:27,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5244dd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:27, skipping insertion in model container [2022-11-16 12:28:27,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:27" (3/3) ... [2022-11-16 12:28:27,186 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.hanoi.4.prop1-func-interl.c [2022-11-16 12:28:27,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:28:27,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:28:27,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:28:27,304 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;@361ac840, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:28:27,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:28:27,310 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 12:28:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:28:27,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:27,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:28:27,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:27,329 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:28:27,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:28:27,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867396884] [2022-11-16 12:28:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:27,350 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 12:28:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:28:27,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:27,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:28:28,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:28:28,373 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 12:28:28,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:28:28,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:28:28,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867396884] [2022-11-16 12:28:28,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867396884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:28,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:28,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:28:28,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113202849] [2022-11-16 12:28:28,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:28,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:28:28,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:28:28,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:28:28,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:28,416 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 12:28:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:29,411 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:28:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:28:29,424 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 12:28:29,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:29,432 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:28:29,432 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:28:29,435 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 12:28:29,439 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:29,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:28:29,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:28:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:28:29,473 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 12:28:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:28:29,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:28:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:29,476 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:28:29,476 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 12:28:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:28:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:28:29,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:29,478 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:29,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:29,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:29,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:29,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:28:29,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:28:29,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693804612] [2022-11-16 12:28:29,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:29,706 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 12:28:29,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:28:29,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:29,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:31,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 12:28:31,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:28:32,354 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 12:28:32,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:28:33,509 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 12:28:33,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:28:33,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693804612] [2022-11-16 12:28:33,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693804612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:28:33,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:28:33,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 12:28:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350170777] [2022-11-16 12:28:33,512 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:28:33,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:28:33,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:28:33,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:28:33,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:28:33,517 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 12:28:35,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:35,604 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:28:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:28:35,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 12:28:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:35,606 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:28:35,606 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:28:35,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:28:35,608 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:35,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 23 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 10 Unchecked, 2.0s Time] [2022-11-16 12:28:35,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:28:35,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:28:35,614 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 12:28:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:28:35,615 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:28:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:35,616 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:28:35,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 12:28:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:28:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:28:35,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:35,618 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:28:35,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:35,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:35,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:28:35,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:28:35,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286474951] [2022-11-16 12:28:35,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:28:35,834 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 12:28:35,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:28:35,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:35,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:38,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:28:38,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:28:38,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 5306 conjuncts, 312 conjunts are in the unsatisfiable core [2022-11-16 12:28:38,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:28:45,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:28:45,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286474951] [2022-11-16 12:28:45,894 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 12:28:45,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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 12:28:46,120 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 12:28:46,122 INFO L158 Benchmark]: Toolchain (without parser) took 28972.62ms. Allocated memory was 54.5MB in the beginning and 746.6MB in the end (delta: 692.1MB). Free memory was 26.5MB in the beginning and 416.5MB in the end (delta: -390.1MB). Peak memory consumption was 475.2MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,122 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:46,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.84ms. Allocated memory was 54.5MB in the beginning and 90.2MB in the end (delta: 35.7MB). Free memory was 37.5MB in the beginning and 41.6MB in the end (delta: -4.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.60ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 35.4MB in the end (delta: 6.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,124 INFO L158 Benchmark]: Boogie Preprocessor took 203.51ms. Allocated memory is still 90.2MB. Free memory was 35.4MB in the beginning and 33.8MB in the end (delta: 1.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,124 INFO L158 Benchmark]: RCFGBuilder took 8127.54ms. Allocated memory was 90.2MB in the beginning and 486.5MB in the end (delta: 396.4MB). Free memory was 33.8MB in the beginning and 308.7MB in the end (delta: -274.9MB). Peak memory consumption was 230.5MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,125 INFO L158 Benchmark]: TraceAbstraction took 18944.13ms. Allocated memory was 486.5MB in the beginning and 746.6MB in the end (delta: 260.0MB). Free memory was 308.7MB in the beginning and 416.5MB in the end (delta: -107.8MB). Peak memory consumption was 325.5MB. Max. memory is 16.1GB. [2022-11-16 12:28:46,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.84ms. Allocated memory was 54.5MB in the beginning and 90.2MB in the end (delta: 35.7MB). Free memory was 37.5MB in the beginning and 41.6MB in the end (delta: -4.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.60ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 35.4MB in the end (delta: 6.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 203.51ms. Allocated memory is still 90.2MB. Free memory was 35.4MB in the beginning and 33.8MB in the end (delta: 1.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8127.54ms. Allocated memory was 90.2MB in the beginning and 486.5MB in the end (delta: 396.4MB). Free memory was 33.8MB in the beginning and 308.7MB in the end (delta: -274.9MB). Peak memory consumption was 230.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18944.13ms. Allocated memory was 486.5MB in the beginning and 746.6MB in the end (delta: 260.0MB). Free memory was 308.7MB in the beginning and 416.5MB in the end (delta: -107.8MB). Peak memory consumption was 325.5MB. 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 12:28:46,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd009c72-7208-42ce-bd79-13ee59b4704c/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