./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN --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 bae79e103f8704c9765fb723c715d3de24ca11d77edf858dca8d126f8cdee676 --- 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-6b4ec56 [2022-11-20 12:08:33,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:08:33,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:08:33,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:08:33,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:08:33,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:08:33,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:08:33,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:08:33,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:08:33,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:08:33,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:08:33,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:08:33,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:08:33,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:08:33,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:08:33,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:08:33,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:08:33,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:08:33,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:08:33,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:08:33,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:08:33,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:08:33,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:08:33,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:08:33,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:08:33,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:08:33,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:08:33,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:08:33,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:08:33,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:08:33,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:08:33,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:08:33,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:08:33,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:08:33,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:08:33,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:08:33,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:08:33,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:08:33,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:08:33,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:08:33,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:08:33,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:08:33,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:08:33,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:08:33,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:08:33,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:08:33,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:08:33,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:08:33,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:08:33,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:08:33,837 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:08:33,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:08:33,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:08:33,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:08:33,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:08:33,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:08:33,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:08:33,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:08:33,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:08:33,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:08:33,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:08:33,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:08:33,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:08:33,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:33,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:08:33,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:08:33,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:08:33,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:08:33,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:08:33,842 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:08:33,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:08:33,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:08:33,843 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_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bae79e103f8704c9765fb723c715d3de24ca11d77edf858dca8d126f8cdee676 [2022-11-20 12:08:34,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:08:34,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:08:34,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:08:34,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:08:34,200 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:08:34,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:37,176 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:08:37,469 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:08:37,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:37,481 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/b48a070e2/36a2dd46350e44c792bd878b2d7dc625/FLAG5db43642f [2022-11-20 12:08:37,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/b48a070e2/36a2dd46350e44c792bd878b2d7dc625 [2022-11-20 12:08:37,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:08:37,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:08:37,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:37,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:08:37,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:08:37,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f8332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37, skipping insertion in model container [2022-11-20 12:08:37,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:08:37,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:08:37,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c[1107,1120] [2022-11-20 12:08:37,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:37,725 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:08:37,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c[1107,1120] [2022-11-20 12:08:37,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:37,784 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:08:37,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37 WrapperNode [2022-11-20 12:08:37,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:37,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:37,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:08:37,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:08:37,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,861 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2022-11-20 12:08:37,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:37,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:08:37,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:08:37,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:08:37,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:08:37,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:08:37,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:08:37,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:08:37,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (1/1) ... [2022-11-20 12:08:37,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:08:37,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:08:37,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:08:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:08:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:08:38,136 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:08:38,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:08:38,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:08:38,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:08:38,791 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:08:38,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:38 BoogieIcfgContainer [2022-11-20 12:08:38,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:08:38,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:08:38,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:08:38,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:08:38,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:08:37" (1/3) ... [2022-11-20 12:08:38,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfa2a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:38, skipping insertion in model container [2022-11-20 12:08:38,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:37" (2/3) ... [2022-11-20 12:08:38,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfa2a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:38, skipping insertion in model container [2022-11-20 12:08:38,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:38" (3/3) ... [2022-11-20 12:08:38,813 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:38,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:08:38,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:08:38,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:08:38,914 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4dab5724, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:08:38,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:08:38,921 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) [2022-11-20 12:08:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:08:38,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:38,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:08:38,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:38,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:38,939 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 12:08:38,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:08:38,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183936359] [2022-11-20 12:08:38,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:08:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:08:39,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:08:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:08:39,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:08:39,309 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:08:39,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:08:39,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:08:39,318 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 12:08:39,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:08:39,338 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:08:39,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:08:39 BoogieIcfgContainer [2022-11-20 12:08:39,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:08:39,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:08:39,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:08:39,346 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:08:39,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:38" (3/4) ... [2022-11-20 12:08:39,350 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:08:39,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:08:39,351 INFO L158 Benchmark]: Toolchain (without parser) took 1852.80ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 115.5MB in the end (delta: 41.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,352 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:08:39,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.48ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 144.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.96ms. Allocated memory is still 188.7MB. Free memory was 144.0MB in the beginning and 141.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,358 INFO L158 Benchmark]: Boogie Preprocessor took 56.39ms. Allocated memory is still 188.7MB. Free memory was 141.0MB in the beginning and 139.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,365 INFO L158 Benchmark]: RCFGBuilder took 863.62ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 137.4MB in the end (delta: 1.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,366 INFO L158 Benchmark]: TraceAbstraction took 549.26ms. Allocated memory is still 188.7MB. Free memory was 137.4MB in the beginning and 116.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 12:08:39,368 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 188.7MB. Free memory was 116.5MB in the beginning and 115.5MB in the end (delta: 943.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:08:39,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.48ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 144.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.96ms. Allocated memory is still 188.7MB. Free memory was 144.0MB in the beginning and 141.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.39ms. Allocated memory is still 188.7MB. Free memory was 141.0MB in the beginning and 139.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.62ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 137.4MB in the end (delta: 1.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 549.26ms. Allocated memory is still 188.7MB. Free memory was 137.4MB in the beginning and 116.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 188.7MB. Free memory was 116.5MB in the beginning and 115.5MB in the end (delta: 943.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 102, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 110. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_3 var_14 = 0; [L35] const SORT_3 var_29 = 1; [L37] SORT_1 input_2; [L38] SORT_3 input_4; [L39] SORT_3 input_5; [L40] SORT_3 input_6; [L41] SORT_3 input_7; [L42] SORT_3 input_8; [L43] SORT_3 input_9; [L44] SORT_3 input_10; [L45] SORT_3 input_11; [L46] SORT_12 input_13; [L47] SORT_12 input_33; [L48] SORT_12 input_35; [L49] SORT_3 input_37; [L50] SORT_3 input_39; [L51] SORT_12 input_97; [L52] SORT_3 input_99; [L53] SORT_1 input_102; [L54] SORT_3 input_104; [L55] SORT_3 input_106; [L56] SORT_3 input_108; [L58] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L59] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 init_16_arg_1 = var_14; [L64] state_15 = init_16_arg_1 [L65] SORT_3 init_18_arg_1 = var_14; [L66] state_17 = init_18_arg_1 [L67] SORT_3 init_21_arg_1 = var_14; [L68] state_20 = init_21_arg_1 [L69] SORT_3 init_25_arg_1 = var_14; [L70] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_29=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_33 = __VERIFIER_nondet_uchar() [L84] input_35 = __VERIFIER_nondet_uchar() [L85] input_37 = __VERIFIER_nondet_uchar() [L86] input_39 = __VERIFIER_nondet_uchar() [L87] input_97 = __VERIFIER_nondet_uchar() [L88] input_99 = __VERIFIER_nondet_uchar() [L89] input_102 = __VERIFIER_nondet_uchar() [L90] input_104 = __VERIFIER_nondet_uchar() [L91] input_106 = __VERIFIER_nondet_uchar() [L92] input_108 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = var_23; [L104] SORT_3 var_26_arg_1 = state_24; [L105] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L106] SORT_3 var_30_arg_0 = var_26; [L107] SORT_3 var_30 = ~var_30_arg_0; [L108] SORT_3 var_31_arg_0 = var_29; [L109] SORT_3 var_31_arg_1 = var_30; [L110] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L111] var_31 = var_31 & mask_SORT_3 [L112] SORT_3 bad_32_arg_0 = var_31; [L113] CALL __VERIFIER_assert(!(bad_32_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:08:39,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN --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 bae79e103f8704c9765fb723c715d3de24ca11d77edf858dca8d126f8cdee676 --- 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-6b4ec56 [2022-11-20 12:08:41,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:08:41,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:08:41,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:08:41,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:08:41,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:08:41,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:08:41,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:08:41,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:08:41,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:08:41,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:08:41,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:08:41,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:08:41,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:08:41,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:08:41,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:08:41,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:08:41,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:08:41,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:08:41,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:08:41,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:08:41,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:08:41,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:08:41,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:08:41,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:08:41,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:08:41,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:08:41,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:08:41,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:08:41,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:08:41,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:08:41,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:08:41,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:08:41,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:08:42,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:08:42,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:08:42,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:08:42,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:08:42,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:08:42,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:08:42,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:08:42,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:08:42,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:08:42,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:08:42,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:08:42,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:08:42,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:08:42,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:08:42,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:08:42,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:08:42,060 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:08:42,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:08:42,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:08:42,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:08:42,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:08:42,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:08:42,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:08:42,063 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:08:42,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:08:42,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:08:42,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:08:42,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:08:42,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:08:42,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:08:42,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:08:42,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:42,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:08:42,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:08:42,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:08:42,065 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:08:42,065 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:08:42,066 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:08:42,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:08:42,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:08:42,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:08:42,067 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_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bae79e103f8704c9765fb723c715d3de24ca11d77edf858dca8d126f8cdee676 [2022-11-20 12:08:42,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:08:42,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:08:42,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:08:42,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:08:42,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:08:42,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:45,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:08:45,940 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:08:45,946 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:45,959 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/ae818ea50/0b35eaf643ea41e3bc5b379b8539b59d/FLAGc1ce5ac72 [2022-11-20 12:08:45,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/data/ae818ea50/0b35eaf643ea41e3bc5b379b8539b59d [2022-11-20 12:08:45,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:08:45,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:08:45,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:45,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:08:45,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:08:45,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:45" (1/1) ... [2022-11-20 12:08:45,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fb0ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:45, skipping insertion in model container [2022-11-20 12:08:46,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:08:45" (1/1) ... [2022-11-20 12:08:46,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:08:46,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:08:46,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c[1107,1120] [2022-11-20 12:08:46,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:46,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:08:46,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p4.c[1107,1120] [2022-11-20 12:08:46,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:08:46,327 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:08:46,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46 WrapperNode [2022-11-20 12:08:46,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:08:46,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:46,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:08:46,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:08:46,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,401 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2022-11-20 12:08:46,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:08:46,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:08:46,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:08:46,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:08:46,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,446 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:08:46,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:08:46,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:08:46,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:08:46,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (1/1) ... [2022-11-20 12:08:46,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:08:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:08:46,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:08:46,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:08:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:08:46,758 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:08:46,760 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:08:47,124 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:08:47,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:08:47,131 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:08:47,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:47 BoogieIcfgContainer [2022-11-20 12:08:47,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:08:47,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:08:47,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:08:47,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:08:47,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:08:45" (1/3) ... [2022-11-20 12:08:47,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b838fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:47, skipping insertion in model container [2022-11-20 12:08:47,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:08:46" (2/3) ... [2022-11-20 12:08:47,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b838fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:08:47, skipping insertion in model container [2022-11-20 12:08:47,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:47" (3/3) ... [2022-11-20 12:08:47,143 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p4.c [2022-11-20 12:08:47,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:08:47,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:08:47,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:08:47,218 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;@3ff38a88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:08:47,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:08:47,222 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) [2022-11-20 12:08:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:08:47,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:47,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:08:47,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 12:08:47,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:08:47,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128568485] [2022-11-20 12:08:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:47,249 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 [2022-11-20 12:08:47,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:08:47,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:08:47,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:08:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:47,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:08:47,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:08:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:08:47,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:08:47,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:47,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128568485] [2022-11-20 12:08:47,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128568485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:47,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:47,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:08:47,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292703336] [2022-11-20 12:08:47,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:47,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:08:47,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:47,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:08:47,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:08:47,739 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) [2022-11-20 12:08:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:47,807 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 12:08:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:08:47,810 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 [2022-11-20 12:08:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:47,818 INFO L225 Difference]: With dead ends: 20 [2022-11-20 12:08:47,819 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 12:08:47,821 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 [2022-11-20 12:08:47,826 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:47,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:47,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 12:08:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 12:08:47,858 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) [2022-11-20 12:08:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 12:08:47,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 12:08:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:47,862 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 12:08:47,862 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) [2022-11-20 12:08:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 12:08:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 12:08:47,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:47,863 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:08:47,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 12:08:48,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:08:48,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:48,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:48,075 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 12:08:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:08:48,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423471059] [2022-11-20 12:08:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:48,077 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 [2022-11-20 12:08:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:08:48,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:08:48,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:08:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:08:48,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:08:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:08:48,422 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 12:08:48,422 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:08:48,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:08:48,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:08:48,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:08:48,647 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 12:08:48,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:08:48,688 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:08:48,688 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:08:48,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:08:48 BoogieIcfgContainer [2022-11-20 12:08:48,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:08:48,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:08:48,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:08:48,701 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:08:48,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:08:47" (3/4) ... [2022-11-20 12:08:48,703 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 12:08:48,713 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:08:48,713 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:08:48,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:08:48,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:08:48,784 INFO L158 Benchmark]: Toolchain (without parser) took 2798.60ms. Allocated memory is still 79.7MB. Free memory was 57.8MB in the beginning and 33.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,784 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:08:48,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.14ms. Allocated memory is still 79.7MB. Free memory was 57.6MB in the beginning and 43.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.92ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,785 INFO L158 Benchmark]: Boogie Preprocessor took 56.75ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:08:48,786 INFO L158 Benchmark]: RCFGBuilder took 673.95ms. Allocated memory is still 79.7MB. Free memory was 39.8MB in the beginning and 44.6MB in the end (delta: -4.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,786 INFO L158 Benchmark]: TraceAbstraction took 1564.26ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 38.8MB in the end (delta: 5.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,786 INFO L158 Benchmark]: Witness Printer took 82.62ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 33.0MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:08:48,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.14ms. Allocated memory is still 79.7MB. Free memory was 57.6MB in the beginning and 43.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.92ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.75ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 673.95ms. Allocated memory is still 79.7MB. Free memory was 39.8MB in the beginning and 44.6MB in the end (delta: -4.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1564.26ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 38.8MB in the end (delta: 5.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 82.62ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 33.0MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_3 var_14 = 0; [L35] const SORT_3 var_29 = 1; [L37] SORT_1 input_2; [L38] SORT_3 input_4; [L39] SORT_3 input_5; [L40] SORT_3 input_6; [L41] SORT_3 input_7; [L42] SORT_3 input_8; [L43] SORT_3 input_9; [L44] SORT_3 input_10; [L45] SORT_3 input_11; [L46] SORT_12 input_13; [L47] SORT_12 input_33; [L48] SORT_12 input_35; [L49] SORT_3 input_37; [L50] SORT_3 input_39; [L51] SORT_12 input_97; [L52] SORT_3 input_99; [L53] SORT_1 input_102; [L54] SORT_3 input_104; [L55] SORT_3 input_106; [L56] SORT_3 input_108; [L58] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L59] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 init_16_arg_1 = var_14; [L64] state_15 = init_16_arg_1 [L65] SORT_3 init_18_arg_1 = var_14; [L66] state_17 = init_18_arg_1 [L67] SORT_3 init_21_arg_1 = var_14; [L68] state_20 = init_21_arg_1 [L69] SORT_3 init_25_arg_1 = var_14; [L70] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_29=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_33 = __VERIFIER_nondet_uchar() [L84] input_35 = __VERIFIER_nondet_uchar() [L85] input_37 = __VERIFIER_nondet_uchar() [L86] input_39 = __VERIFIER_nondet_uchar() [L87] input_97 = __VERIFIER_nondet_uchar() [L88] input_99 = __VERIFIER_nondet_uchar() [L89] input_102 = __VERIFIER_nondet_uchar() [L90] input_104 = __VERIFIER_nondet_uchar() [L91] input_106 = __VERIFIER_nondet_uchar() [L92] input_108 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = var_23; [L104] SORT_3 var_26_arg_1 = state_24; [L105] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L106] SORT_3 var_30_arg_0 = var_26; [L107] SORT_3 var_30 = ~var_30_arg_0; [L108] SORT_3 var_31_arg_0 = var_29; [L109] SORT_3 var_31_arg_1 = var_30; [L110] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L111] var_31 = var_31 & mask_SORT_3 [L112] SORT_3 bad_32_arg_0 = var_31; [L113] CALL __VERIFIER_assert(!(bad_32_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L113] RET __VERIFIER_assert(!(bad_32_arg_0)) [L115] SORT_3 var_41_arg_0 = state_17; [L116] SORT_3 var_41 = ~var_41_arg_0; [L117] SORT_3 var_42_arg_0 = state_15; [L118] SORT_3 var_42 = ~var_42_arg_0; [L119] SORT_3 var_43_arg_0 = var_42; [L120] SORT_3 var_43_arg_1 = state_20; [L121] SORT_3 var_43 = var_43_arg_0 & var_43_arg_1; [L122] SORT_3 var_44_arg_0 = var_43; [L123] SORT_3 var_44 = ~var_44_arg_0; [L124] SORT_3 var_45_arg_0 = var_41; [L125] SORT_3 var_45_arg_1 = var_44; [L126] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L127] SORT_3 var_46_arg_0 = var_45; [L128] SORT_3 var_46 = ~var_46_arg_0; [L129] SORT_3 var_47_arg_0 = state_17; [L130] SORT_3 var_47_arg_1 = state_20; [L131] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L132] SORT_3 var_48_arg_0 = var_42; [L133] SORT_3 var_48_arg_1 = var_47; [L134] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L135] SORT_3 var_49_arg_0 = var_48; [L136] SORT_3 var_49 = ~var_49_arg_0; [L137] SORT_3 var_50_arg_0 = var_46; [L138] SORT_3 var_50_arg_1 = var_49; [L139] SORT_3 var_50 = var_50_arg_0 | var_50_arg_1; [L140] SORT_3 next_110_arg_1 = var_50; [L141] SORT_3 var_52_arg_0 = state_20; [L142] SORT_3 var_52 = ~var_52_arg_0; [L143] SORT_3 var_53_arg_0 = state_17; [L144] SORT_3 var_53_arg_1 = var_52; [L145] SORT_3 var_53 = var_53_arg_0 | var_53_arg_1; [L146] SORT_3 var_54_arg_0 = state_17; [L147] SORT_3 var_54_arg_1 = var_52; [L148] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L149] SORT_3 var_55_arg_0 = var_54; [L150] SORT_3 var_55 = ~var_55_arg_0; [L151] SORT_3 var_56_arg_0 = var_53; [L152] SORT_3 var_56_arg_1 = var_55; [L153] SORT_3 var_56 = var_56_arg_0 & var_56_arg_1; [L154] SORT_3 var_57_arg_0 = var_56; [L155] SORT_3 var_57 = ~var_57_arg_0; [L156] SORT_3 next_111_arg_1 = var_57; [L157] SORT_1 var_59_arg_0 = input_2; [L158] SORT_3 var_59 = var_59_arg_0 >> 0; [L159] SORT_1 var_60_arg_0 = input_2; [L160] SORT_3 var_60 = var_60_arg_0 >> 2; [L161] SORT_3 var_61_arg_0 = var_60; [L162] SORT_3 var_61 = ~var_61_arg_0; [L163] SORT_1 var_62_arg_0 = input_2; [L164] SORT_3 var_62 = var_62_arg_0 >> 1; [L165] SORT_3 var_63_arg_0 = var_61; [L166] SORT_3 var_63_arg_1 = var_62; [L167] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L168] SORT_3 var_64_arg_0 = var_59; [L169] SORT_3 var_64_arg_1 = var_63; [L170] SORT_3 var_64 = var_64_arg_0 | var_64_arg_1; [L171] SORT_3 var_65_arg_0 = var_64; [L172] SORT_3 var_65 = ~var_65_arg_0; [L173] SORT_3 var_66_arg_0 = state_15; [L174] SORT_3 var_66_arg_1 = state_17; [L175] SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; [L176] SORT_3 var_67_arg_0 = var_65; [L177] SORT_3 var_67_arg_1 = var_66; [L178] SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; [L179] SORT_3 var_68_arg_0 = var_67; [L180] SORT_3 var_68_arg_1 = var_52; [L181] SORT_3 var_68 = var_68_arg_0 & var_68_arg_1; [L182] SORT_3 next_112_arg_1 = var_68; [L183] SORT_3 var_75_arg_0 = state_20; [L184] SORT_3 var_75_arg_1 = var_66; [L185] SORT_3 var_75 = var_75_arg_0 | var_75_arg_1; [L186] SORT_3 var_76_arg_0 = var_75; [L187] SORT_3 var_76 = ~var_76_arg_0; [L188] SORT_3 var_77_arg_0 = var_59; [L189] SORT_3 var_77_arg_1 = var_76; [L190] SORT_3 var_77 = var_77_arg_0 & var_77_arg_1; [L191] SORT_3 var_78_arg_0 = var_77; [L192] SORT_3 var_78 = ~var_78_arg_0; [L193] SORT_3 var_82_arg_0 = var_63; [L194] SORT_3 var_82_arg_1 = var_76; [L195] SORT_3 var_82 = var_82_arg_0 & var_82_arg_1; [L196] SORT_3 var_91_arg_0 = var_82; [L197] SORT_3 var_91 = ~var_91_arg_0; [L198] SORT_3 var_92_arg_0 = var_78; [L199] SORT_3 var_92_arg_1 = var_91; [L200] SORT_3 var_92 = var_92_arg_0 & var_92_arg_1; [L201] SORT_3 var_94_arg_0 = input_4; [L202] SORT_3 var_94_arg_1 = var_92; [L203] SORT_3 var_94 = var_94_arg_0 | var_94_arg_1; [L204] SORT_3 var_95_arg_0 = var_94; [L205] SORT_3 var_95 = ~var_95_arg_0; [L206] SORT_3 next_113_arg_1 = var_95; [L208] state_15 = next_110_arg_1 [L209] state_17 = next_111_arg_1 [L210] state_20 = next_112_arg_1 [L211] state_24 = next_113_arg_1 VAL [bad_32_arg_0=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, input_10=11, input_102=18, input_104=3, input_106=14, input_108=20, input_11=13, input_13=5, input_2=4, input_33=15, input_35=9, input_37=16, input_39=19, input_4=0, input_5=6, input_6=17, input_7=8, input_8=12, input_9=21, input_97=10, input_99=22, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, next_110_arg_1=0, next_111_arg_1=0, next_112_arg_1=1, next_113_arg_1=254, state_15=0, state_17=0, state_20=1, state_24=254, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=255, var_23_arg_0=0, var_26=255, var_26_arg_0=255, var_26_arg_1=0, var_29=1, var_30=0, var_30_arg_0=255, var_31=0, var_31_arg_0=1, var_31_arg_1=0, var_41=255, var_41_arg_0=0, var_42=255, var_42_arg_0=0, var_43=0, var_43_arg_0=255, var_43_arg_1=0, var_44=255, var_44_arg_0=0, var_45=255, var_45_arg_0=255, var_45_arg_1=255, var_46=0, var_46_arg_0=255, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=255, var_48_arg_0=255, var_48_arg_1=0, var_49=0, var_49_arg_0=255, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_52=255, var_52_arg_0=0, var_53=255, var_53_arg_0=0, var_53_arg_1=255, var_54=0, var_54_arg_0=0, var_54_arg_1=255, var_55=255, var_55_arg_0=0, var_56=255, var_56_arg_0=255, var_56_arg_1=255, var_57=0, var_57_arg_0=255, var_59=4, var_59_arg_0=4, var_60=1, var_60_arg_0=4, var_61=254, var_61_arg_0=1, var_62=2, var_62_arg_0=4, var_63=254, var_63_arg_0=254, var_63_arg_1=2, var_64=254, var_64_arg_0=4, var_64_arg_1=254, var_65=1, var_65_arg_0=254, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=1, var_67_arg_0=1, var_67_arg_1=0, var_68=1, var_68_arg_0=1, var_68_arg_1=255, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=255, var_76_arg_0=0, var_77=4, var_77_arg_0=4, var_77_arg_1=255, var_78=251, var_78_arg_0=4, var_82=254, var_82_arg_0=254, var_82_arg_1=255, var_91=1, var_91_arg_0=254, var_92=1, var_92_arg_0=251, var_92_arg_1=1, var_94=1, var_94_arg_0=0, var_94_arg_1=1, var_95=254, var_95_arg_0=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_33 = __VERIFIER_nondet_uchar() [L84] input_35 = __VERIFIER_nondet_uchar() [L85] input_37 = __VERIFIER_nondet_uchar() [L86] input_39 = __VERIFIER_nondet_uchar() [L87] input_97 = __VERIFIER_nondet_uchar() [L88] input_99 = __VERIFIER_nondet_uchar() [L89] input_102 = __VERIFIER_nondet_uchar() [L90] input_104 = __VERIFIER_nondet_uchar() [L91] input_106 = __VERIFIER_nondet_uchar() [L92] input_108 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = var_23; [L104] SORT_3 var_26_arg_1 = state_24; [L105] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L106] SORT_3 var_30_arg_0 = var_26; [L107] SORT_3 var_30 = ~var_30_arg_0; [L108] SORT_3 var_31_arg_0 = var_29; [L109] SORT_3 var_31_arg_1 = var_30; [L110] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L111] var_31 = var_31 & mask_SORT_3 [L112] SORT_3 bad_32_arg_0 = var_31; [L113] CALL __VERIFIER_assert(!(bad_32_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 26 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:08:48,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae50933-87a1-4db4-818f-f087884719a8/bin/uautomizer-ug76WZFUDN/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE