./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro --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 71c685f028ed91d7b5a9714e56e64b437d5e492a38be11760a5871f4cde664d2 --- 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-8393723 [2022-11-18 19:58:16,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:58:16,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:58:16,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:58:16,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:58:16,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:58:16,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:58:16,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:58:16,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:58:16,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:58:16,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:58:16,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:58:16,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:58:16,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:58:16,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:58:16,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:58:16,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:58:16,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:58:16,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:58:16,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:58:16,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:58:16,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:58:16,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:58:16,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:58:16,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:58:16,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:58:16,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:58:16,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:58:16,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:58:16,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:58:16,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:58:16,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:58:16,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:58:16,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:58:16,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:58:16,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:58:16,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:58:16,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:58:16,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:58:16,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:58:16,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:58:16,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:58:16,414 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:58:16,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:58:16,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:58:16,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:58:16,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:58:16,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:58:16,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:58:16,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:58:16,418 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:58:16,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:58:16,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:58:16,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:58:16,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:58:16,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:58:16,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:58:16,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:58:16,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:58:16,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:58:16,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:58:16,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:58:16,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:58:16,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:16,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:58:16,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:58:16,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:58:16,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:58:16,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:58:16,423 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:58:16,423 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:58:16,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:58:16,425 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_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c685f028ed91d7b5a9714e56e64b437d5e492a38be11760a5871f4cde664d2 [2022-11-18 19:58:16,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:58:16,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:58:16,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:58:16,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:58:16,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:58:16,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c [2022-11-18 19:58:16,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/b2fe11f1e/80c4653bfdae46828fa3cc8c22fb327f/FLAGb96072f1f [2022-11-18 19:58:17,505 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:58:17,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c [2022-11-18 19:58:17,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/b2fe11f1e/80c4653bfdae46828fa3cc8c22fb327f/FLAGb96072f1f [2022-11-18 19:58:17,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/b2fe11f1e/80c4653bfdae46828fa3cc8c22fb327f [2022-11-18 19:58:17,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:58:17,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:58:17,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:17,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:58:17,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:58:17,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:17" (1/1) ... [2022-11-18 19:58:17,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ba00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:17, skipping insertion in model container [2022-11-18 19:58:17,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:17" (1/1) ... [2022-11-18 19:58:17,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:58:17,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:58:18,114 WARN L234 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_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c[1107,1120] [2022-11-18 19:58:18,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:18,446 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:58:18,456 WARN L234 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_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c[1107,1120] [2022-11-18 19:58:18,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:18,536 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:58:18,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18 WrapperNode [2022-11-18 19:58:18,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:18,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:18,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:58:18,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:58:18,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,645 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1246 [2022-11-18 19:58:18,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:18,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:58:18,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:58:18,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:58:18,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:58:18,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:58:18,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:58:18,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:58:18,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (1/1) ... [2022-11-18 19:58:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:18,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:18,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:58:18,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:58:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:58:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:58:19,233 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:58:19,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:58:20,305 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:58:20,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:58:20,318 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:58:20,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:20 BoogieIcfgContainer [2022-11-18 19:58:20,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:58:20,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:58:20,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:58:20,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:58:20,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:58:17" (1/3) ... [2022-11-18 19:58:20,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fff94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:20, skipping insertion in model container [2022-11-18 19:58:20,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:18" (2/3) ... [2022-11-18 19:58:20,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fff94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:20, skipping insertion in model container [2022-11-18 19:58:20,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:20" (3/3) ... [2022-11-18 19:58:20,340 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal1.c [2022-11-18 19:58:20,358 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:58:20,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:58:20,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:58:20,424 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;@530638ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:58:20,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:58:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 87 states have (on average 1.6436781609195403) internal successors, (143), 88 states have internal predecessors, (143), 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) [2022-11-18 19:58:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 19:58:20,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:20,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:20,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:20,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1909394218, now seen corresponding path program 1 times [2022-11-18 19:58:20,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:20,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248477721] [2022-11-18 19:58:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:20,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:58:21,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:21,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248477721] [2022-11-18 19:58:21,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248477721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:21,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:21,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:58:21,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920040364] [2022-11-18 19:58:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:21,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:58:21,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:21,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:58:21,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:58:21,204 INFO L87 Difference]: Start difference. First operand has 89 states, 87 states have (on average 1.6436781609195403) internal successors, (143), 88 states have internal predecessors, (143), 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 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:58:21,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:21,336 INFO L93 Difference]: Finished difference Result 268 states and 442 transitions. [2022-11-18 19:58:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:58:21,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 19:58:21,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:21,365 INFO L225 Difference]: With dead ends: 268 [2022-11-18 19:58:21,366 INFO L226 Difference]: Without dead ends: 181 [2022-11-18 19:58:21,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:58:21,380 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 387 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:21,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 338 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:58:21,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-18 19:58:21,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 87. [2022-11-18 19:58:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.6162790697674418) internal successors, (139), 86 states have internal predecessors, (139), 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) [2022-11-18 19:58:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 139 transitions. [2022-11-18 19:58:21,436 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 139 transitions. Word has length 15 [2022-11-18 19:58:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:21,437 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 139 transitions. [2022-11-18 19:58:21,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:58:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2022-11-18 19:58:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 19:58:21,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:21,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:21,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:58:21,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:21,441 INFO L85 PathProgramCache]: Analyzing trace with hash 940046394, now seen corresponding path program 1 times [2022-11-18 19:58:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:21,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183914907] [2022-11-18 19:58:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:58:21,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:58:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:58:21,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:58:21,608 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:58:21,610 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:58:21,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:58:21,615 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 19:58:21,619 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:58:21,696 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 19:58:21,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:58:21 BoogieIcfgContainer [2022-11-18 19:58:21,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:58:21,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:58:21,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:58:21,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:58:21,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:20" (3/4) ... [2022-11-18 19:58:21,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:58:21,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:58:21,726 INFO L158 Benchmark]: Toolchain (without parser) took 3956.18ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 96.5MB in the beginning and 99.5MB in the end (delta: -3.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,727 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:21,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.62ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 84.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.42ms. Allocated memory is still 132.1MB. Free memory was 84.4MB in the beginning and 74.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,729 INFO L158 Benchmark]: Boogie Preprocessor took 129.69ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 69.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,730 INFO L158 Benchmark]: RCFGBuilder took 1546.50ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 69.2MB in the end (delta: 634.8kB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,731 INFO L158 Benchmark]: TraceAbstraction took 1392.70ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 68.6MB in the beginning and 99.5MB in the end (delta: -31.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:21,731 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 199.2MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:21,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.62ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 84.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.42ms. Allocated memory is still 132.1MB. Free memory was 84.4MB in the beginning and 74.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.69ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 69.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1546.50ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 69.2MB in the end (delta: 634.8kB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.70ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 68.6MB in the beginning and 99.5MB in the end (delta: -31.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 199.2MB. Free memory is still 99.5MB. 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 262, overapproximation of bitwiseOr at line 260, overapproximation of bitwiseAnd at line 265. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L29] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L34] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L35] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L37] const SORT_1 var_56 = 0; [L38] const SORT_6 var_60 = 0; [L39] const SORT_1 var_73 = 1; [L40] const SORT_14 var_77 = 0; [L41] const SORT_10 var_98 = 0; [L43] SORT_1 input_2; [L44] SORT_1 input_3; [L45] SORT_1 input_4; [L46] SORT_1 input_5; [L47] SORT_6 input_7; [L48] SORT_6 input_8; [L49] SORT_1 input_9; [L50] SORT_10 input_11; [L51] SORT_1 input_12; [L52] SORT_1 input_13; [L53] SORT_14 input_15; [L54] SORT_10 input_16; [L55] SORT_1 input_17; [L56] SORT_6 input_18; [L57] SORT_1 input_19; [L58] SORT_10 input_20; [L59] SORT_10 input_21; [L60] SORT_6 input_22; [L61] SORT_6 input_23; [L62] SORT_1 input_24; [L63] SORT_14 input_25; [L64] SORT_10 input_26; [L65] SORT_1 input_27; [L66] SORT_6 input_28; [L67] SORT_6 input_29; [L68] SORT_6 input_30; [L69] SORT_6 input_31; [L70] SORT_10 input_32; [L71] SORT_10 input_33; [L72] SORT_10 input_34; [L73] SORT_10 input_35; [L74] SORT_10 input_36; [L75] SORT_10 input_37; [L76] SORT_10 input_38; [L77] SORT_10 input_39; [L78] SORT_1 input_40; [L79] SORT_1 input_41; [L80] SORT_1 input_42; [L81] SORT_1 input_43; [L82] SORT_1 input_44; [L83] SORT_1 input_45; [L84] SORT_14 input_46; [L85] SORT_14 input_47; [L86] SORT_14 input_48; [L87] SORT_14 input_49; [L88] SORT_6 input_50; [L89] SORT_6 input_51; [L90] SORT_1 input_52; [L91] SORT_1 input_53; [L92] SORT_1 input_54; [L93] SORT_1 input_55; [L95] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_6 state_61 = __VERIFIER_nondet_uint() & mask_SORT_6; [L97] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_6 state_66 = __VERIFIER_nondet_uint() & mask_SORT_6; [L99] SORT_14 state_78 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L100] SORT_14 state_81 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L101] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_10 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L105] SORT_10 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] SORT_1 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_10 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L109] SORT_10 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L110] SORT_6 state_148 = __VERIFIER_nondet_uint() & mask_SORT_6; [L111] SORT_6 state_156 = __VERIFIER_nondet_uint() & mask_SORT_6; [L112] SORT_14 state_170 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L113] SORT_14 state_173 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L114] SORT_1 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_10 state_179 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L116] SORT_1 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_10 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L119] SORT_1 state_212 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_10 state_217 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L121] SORT_1 state_223 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_10 state_238 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L123] SORT_6 state_249 = __VERIFIER_nondet_uint() & mask_SORT_6; [L124] SORT_6 state_282 = __VERIFIER_nondet_uint() & mask_SORT_6; [L126] SORT_1 init_58_arg_1 = var_56; [L127] state_57 = init_58_arg_1 [L128] SORT_6 init_62_arg_1 = var_60; [L129] state_61 = init_62_arg_1 [L130] SORT_1 init_64_arg_1 = var_56; [L131] state_63 = init_64_arg_1 [L132] SORT_6 init_67_arg_1 = var_60; [L133] state_66 = init_67_arg_1 [L134] SORT_14 init_79_arg_1 = var_77; [L135] state_78 = init_79_arg_1 [L136] SORT_14 init_82_arg_1 = var_77; [L137] state_81 = init_82_arg_1 [L138] SORT_1 init_85_arg_1 = var_56; [L139] state_84 = init_85_arg_1 [L140] SORT_1 init_91_arg_1 = var_56; [L141] state_90 = init_91_arg_1 [L142] SORT_1 init_94_arg_1 = var_56; [L143] state_93 = init_94_arg_1 [L144] SORT_10 init_100_arg_1 = var_98; [L145] state_99 = init_100_arg_1 [L146] SORT_10 init_103_arg_1 = var_98; [L147] state_102 = init_103_arg_1 [L148] SORT_1 init_117_arg_1 = var_56; [L149] state_116 = init_117_arg_1 [L150] SORT_1 init_124_arg_1 = var_56; [L151] state_123 = init_124_arg_1 [L152] SORT_10 init_136_arg_1 = var_98; [L153] state_135 = init_136_arg_1 [L154] SORT_10 init_139_arg_1 = var_98; [L155] state_138 = init_139_arg_1 [L156] SORT_6 init_149_arg_1 = var_60; [L157] state_148 = init_149_arg_1 [L158] SORT_6 init_157_arg_1 = var_60; [L159] state_156 = init_157_arg_1 [L160] SORT_14 init_171_arg_1 = var_77; [L161] state_170 = init_171_arg_1 [L162] SORT_14 init_174_arg_1 = var_77; [L163] state_173 = init_174_arg_1 [L164] SORT_1 init_177_arg_1 = var_56; [L165] state_176 = init_177_arg_1 [L166] SORT_10 init_180_arg_1 = var_98; [L167] state_179 = init_180_arg_1 [L168] SORT_1 init_185_arg_1 = var_56; [L169] state_184 = init_185_arg_1 [L170] SORT_1 init_192_arg_1 = var_56; [L171] state_191 = init_192_arg_1 [L172] SORT_10 init_197_arg_1 = var_98; [L173] state_196 = init_197_arg_1 [L174] SORT_1 init_213_arg_1 = var_56; [L175] state_212 = init_213_arg_1 [L176] SORT_10 init_218_arg_1 = var_98; [L177] state_217 = init_218_arg_1 [L178] SORT_1 init_224_arg_1 = var_56; [L179] state_223 = init_224_arg_1 [L180] SORT_10 init_239_arg_1 = var_98; [L181] state_238 = init_239_arg_1 [L182] SORT_6 init_250_arg_1 = var_60; [L183] state_249 = init_250_arg_1 [L184] SORT_6 init_283_arg_1 = var_60; [L185] state_282 = init_283_arg_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_60=0, var_73=1, var_77=0, var_98=0] [L188] input_2 = __VERIFIER_nondet_uchar() [L189] input_2 = input_2 & mask_SORT_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_2=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_60=0, var_73=1, var_77=0, var_98=0] [L190] input_3 = __VERIFIER_nondet_uchar() [L191] input_4 = __VERIFIER_nondet_uchar() [L192] input_5 = __VERIFIER_nondet_uchar() [L193] input_7 = __VERIFIER_nondet_uint() [L194] input_8 = __VERIFIER_nondet_uint() [L195] input_9 = __VERIFIER_nondet_uchar() [L196] input_9 = input_9 & mask_SORT_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_2=0, input_3=24, input_4=3, input_5=8, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_60=0, var_73=1, var_77=0, var_98=0] [L197] input_11 = __VERIFIER_nondet_uchar() [L198] input_12 = __VERIFIER_nondet_uchar() [L199] input_13 = __VERIFIER_nondet_uchar() [L200] input_15 = __VERIFIER_nondet_ulong() [L201] input_16 = __VERIFIER_nondet_uchar() [L202] input_17 = __VERIFIER_nondet_uchar() [L203] input_18 = __VERIFIER_nondet_uint() [L204] input_19 = __VERIFIER_nondet_uchar() [L205] input_20 = __VERIFIER_nondet_uchar() [L206] input_21 = __VERIFIER_nondet_uchar() [L207] input_22 = __VERIFIER_nondet_uint() [L208] input_23 = __VERIFIER_nondet_uint() [L209] input_24 = __VERIFIER_nondet_uchar() [L210] input_25 = __VERIFIER_nondet_ulong() [L211] input_26 = __VERIFIER_nondet_uchar() [L212] input_27 = __VERIFIER_nondet_uchar() [L213] input_28 = __VERIFIER_nondet_uint() [L214] input_29 = __VERIFIER_nondet_uint() [L215] input_30 = __VERIFIER_nondet_uint() [L216] input_31 = __VERIFIER_nondet_uint() [L217] input_32 = __VERIFIER_nondet_uchar() [L218] input_33 = __VERIFIER_nondet_uchar() [L219] input_34 = __VERIFIER_nondet_uchar() [L220] input_35 = __VERIFIER_nondet_uchar() [L221] input_36 = __VERIFIER_nondet_uchar() [L222] input_37 = __VERIFIER_nondet_uchar() [L223] input_38 = __VERIFIER_nondet_uchar() [L224] input_39 = __VERIFIER_nondet_uchar() [L225] input_40 = __VERIFIER_nondet_uchar() [L226] input_41 = __VERIFIER_nondet_uchar() [L227] input_42 = __VERIFIER_nondet_uchar() [L228] input_43 = __VERIFIER_nondet_uchar() [L229] input_44 = __VERIFIER_nondet_uchar() [L230] input_45 = __VERIFIER_nondet_uchar() [L231] input_46 = __VERIFIER_nondet_ulong() [L232] input_47 = __VERIFIER_nondet_ulong() [L233] input_48 = __VERIFIER_nondet_ulong() [L234] input_49 = __VERIFIER_nondet_ulong() [L235] input_50 = __VERIFIER_nondet_uint() [L236] input_51 = __VERIFIER_nondet_uint() [L237] input_52 = __VERIFIER_nondet_uchar() [L238] input_53 = __VERIFIER_nondet_uchar() [L239] input_54 = __VERIFIER_nondet_uchar() [L240] input_55 = __VERIFIER_nondet_uchar() [L243] SORT_1 var_59_arg_0 = state_57; [L244] SORT_1 var_59 = ~var_59_arg_0; [L245] SORT_1 var_65_arg_0 = state_63; [L246] SORT_6 var_65_arg_1 = state_61; [L247] SORT_6 var_65_arg_2 = input_18; [L248] SORT_6 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_73=1, var_77=0, var_98=0] [L249] var_65 = var_65 & mask_SORT_6 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_73=1, var_77=0, var_98=0] [L250] SORT_1 var_68_arg_0 = state_63; [L251] SORT_6 var_68_arg_1 = state_66; [L252] SORT_6 var_68_arg_2 = input_18; [L253] SORT_6 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=0, var_73=1, var_77=0, var_98=0] [L254] var_68 = var_68 & mask_SORT_6 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=0, var_73=1, var_77=0, var_98=0] [L255] SORT_6 var_69_arg_0 = var_65; [L256] SORT_6 var_69_arg_1 = var_68; [L257] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L258] SORT_1 var_70_arg_0 = var_59; [L259] SORT_1 var_70_arg_1 = var_69; [L260] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L261] SORT_1 var_74_arg_0 = var_70; [L262] SORT_1 var_74 = ~var_74_arg_0; [L263] SORT_1 var_75_arg_0 = var_73; [L264] SORT_1 var_75_arg_1 = var_74; [L265] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59=1, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=0, var_69=1, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_73=1, var_74=255, var_74_arg_0=1, var_75=1, var_75_arg_0=1, var_75_arg_1=255, var_77=0, var_98=0] [L266] var_75 = var_75 & mask_SORT_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_117_arg_1=0, init_124_arg_1=0, init_136_arg_1=0, init_139_arg_1=0, init_149_arg_1=0, init_157_arg_1=0, init_171_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_192_arg_1=0, init_197_arg_1=0, init_213_arg_1=0, init_218_arg_1=0, init_224_arg_1=0, init_239_arg_1=0, init_250_arg_1=0, init_283_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_67_arg_1=0, init_79_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_91_arg_1=0, init_94_arg_1=0, input_11=45, input_12=16, input_13=23, input_15=9223372036854775840, input_16=42, input_17=43, input_18=0, input_19=29, input_2=0, input_20=11, input_21=21, input_22=15, input_23=47, input_24=38, input_25=9223372036854775814, input_26=30, input_27=5, input_28=31, input_29=17, input_3=24, input_30=12, input_31=34, input_32=19, input_33=10, input_34=36, input_35=7, input_36=4, input_37=1, input_38=37, input_39=25, input_4=3, input_40=41, input_41=26, input_42=28, input_43=33, input_44=20, input_45=13, input_46=9223372036854775810, input_47=9223372036854775835, input_48=9223372036854775854, input_49=9223372036854775817, input_5=8, input_50=40, input_51=18, input_52=14, input_53=48, input_54=35, input_55=44, input_7=39, input_8=22, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_14=18446744073709551615, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_14=9223372036854775808, msb_SORT_6=2147483648, state_102=0, state_116=0, state_123=0, state_135=0, state_138=0, state_148=0, state_156=0, state_170=0, state_173=0, state_176=0, state_179=0, state_184=0, state_191=0, state_196=0, state_212=0, state_217=0, state_223=0, state_238=0, state_249=0, state_282=0, state_57=0, state_61=0, state_63=0, state_66=0, state_78=0, state_81=0, state_84=0, state_90=0, state_93=0, state_99=0, var_56=0, var_59=1, var_59_arg_0=0, var_60=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=0, var_69=1, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_73=1, var_74=255, var_74_arg_0=1, var_75=1, var_75_arg_0=1, var_75_arg_1=255, var_77=0, var_98=0] [L267] SORT_1 bad_76_arg_0 = var_75; [L268] CALL __VERIFIER_assert(!(bad_76_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, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 387 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 160 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 19:58:21,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro --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 71c685f028ed91d7b5a9714e56e64b437d5e492a38be11760a5871f4cde664d2 --- 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-8393723 [2022-11-18 19:58:24,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:58:24,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:58:24,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:58:24,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:58:24,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:58:24,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:58:24,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:58:24,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:58:24,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:58:24,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:58:24,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:58:24,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:58:24,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:58:24,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:58:24,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:58:24,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:58:24,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:58:24,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:58:24,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:58:24,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:58:24,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:58:24,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:58:24,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:58:24,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:58:24,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:58:24,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:58:24,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:58:24,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:58:24,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:58:24,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:58:24,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:58:24,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:58:24,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:58:24,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:58:24,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:58:24,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:58:24,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:58:24,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:58:24,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:58:24,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:58:24,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:58:24,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:58:24,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:58:24,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:58:24,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:58:24,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:58:24,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:58:24,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:58:24,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:58:24,399 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:58:24,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:58:24,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:58:24,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:58:24,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:58:24,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:58:24,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:58:24,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:58:24,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:58:24,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:58:24,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:58:24,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:58:24,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:58:24,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:58:24,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:58:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:24,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:58:24,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:58:24,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:58:24,406 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:58:24,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:58:24,406 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:58:24,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:58:24,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:58:24,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:58:24,407 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_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c685f028ed91d7b5a9714e56e64b437d5e492a38be11760a5871f4cde664d2 [2022-11-18 19:58:24,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:58:24,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:58:24,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:58:24,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:58:24,850 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:58:24,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c [2022-11-18 19:58:24,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/1c6c75bc6/2f5eb57fe13b4283bd997f12e3f68b8c/FLAGd3d14af6c [2022-11-18 19:58:25,596 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:58:25,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c [2022-11-18 19:58:25,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/1c6c75bc6/2f5eb57fe13b4283bd997f12e3f68b8c/FLAGd3d14af6c [2022-11-18 19:58:25,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/data/1c6c75bc6/2f5eb57fe13b4283bd997f12e3f68b8c [2022-11-18 19:58:25,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:58:25,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:58:25,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:25,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:58:25,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:58:25,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:25" (1/1) ... [2022-11-18 19:58:25,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17279df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:25, skipping insertion in model container [2022-11-18 19:58:25,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:58:25" (1/1) ... [2022-11-18 19:58:25,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:58:25,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:58:26,162 WARN L234 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_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c[1107,1120] [2022-11-18 19:58:26,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:26,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:58:26,523 WARN L234 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_16c56744-876c-41a3-b91d-8618171cf1c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal1.c[1107,1120] [2022-11-18 19:58:26,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:58:26,729 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:58:26,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26 WrapperNode [2022-11-18 19:58:26,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:58:26,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:26,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:58:26,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:58:26,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,859 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1064 [2022-11-18 19:58:26,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:58:26,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:58:26,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:58:26,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:58:26,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:58:26,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:58:26,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:58:26,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:58:26,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (1/1) ... [2022-11-18 19:58:26,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:58:26,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:27,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:58:27,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:58:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:58:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:58:27,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:58:27,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:58:28,884 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:58:28,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:58:28,892 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:58:28,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:28 BoogieIcfgContainer [2022-11-18 19:58:28,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:58:28,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:58:28,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:58:28,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:58:28,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:58:25" (1/3) ... [2022-11-18 19:58:28,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2599e8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:28, skipping insertion in model container [2022-11-18 19:58:28,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:58:26" (2/3) ... [2022-11-18 19:58:28,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2599e8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:58:28, skipping insertion in model container [2022-11-18 19:58:28,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:58:28" (3/3) ... [2022-11-18 19:58:28,906 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal1.c [2022-11-18 19:58:28,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:58:28,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:58:29,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:58:29,035 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;@5b514788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:58:29,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:58:29,040 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) [2022-11-18 19:58:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 19:58:29,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:29,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 19:58:29,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:29,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 19:58:29,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:58:29,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487329567] [2022-11-18 19:58:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:29,076 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 [2022-11-18 19:58:29,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:58:29,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:58:29,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:29,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 19:58:29,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:58:29,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:58:29,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:58:29,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487329567] [2022-11-18 19:58:29,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487329567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:29,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:29,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:58:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515709606] [2022-11-18 19:58:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:29,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:58:29,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:58:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:58:29,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:58:29,708 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) [2022-11-18 19:58:30,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:30,030 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 19:58:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:58:30,033 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 [2022-11-18 19:58:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:30,041 INFO L225 Difference]: With dead ends: 20 [2022-11-18 19:58:30,041 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 19:58:30,045 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 [2022-11-18 19:58:30,048 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:30,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:58:30,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 19:58:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 19:58:30,086 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) [2022-11-18 19:58:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 19:58:30,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 19:58:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:30,089 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 19:58:30,089 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) [2022-11-18 19:58:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 19:58:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 19:58:30,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:30,090 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:30,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:30,308 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 19:58:30,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:58:30,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672953872] [2022-11-18 19:58:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:30,312 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 [2022-11-18 19:58:30,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:58:30,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:58:30,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:31,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 19:58:31,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:58:31,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:58:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:58:32,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:58:32,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672953872] [2022-11-18 19:58:32,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672953872] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:58:32,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:58:32,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 19:58:32,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097833081] [2022-11-18 19:58:32,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:58:32,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:58:32,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:58:32,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:58:32,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:58:32,357 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:58:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:32,978 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 19:58:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:58:32,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-18 19:58:32,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:32,981 INFO L225 Difference]: With dead ends: 16 [2022-11-18 19:58:32,981 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 19:58:32,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:58:32,983 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:32,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 10 Unchecked, 0.5s Time] [2022-11-18 19:58:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 19:58:32,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 19:58:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:58:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 19:58:32,991 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 19:58:32,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:32,994 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 19:58:32,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:58:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 19:58:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 19:58:33,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:33,000 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 19:58:33,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:33,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:33,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 19:58:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:58:33,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432034661] [2022-11-18 19:58:33,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:58:33,250 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 [2022-11-18 19:58:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:58:33,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:58:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 19:58:34,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:58:34,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:58:34,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 187 conjunts are in the unsatisfiable core [2022-11-18 19:58:34,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:39,831 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:58:39,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432034661] [2022-11-18 19:58:39,832 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-18 19:58:39,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:40,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:58:40,033 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 19:58:40,036 INFO L158 Benchmark]: Toolchain (without parser) took 14133.72ms. Allocated memory was 56.6MB in the beginning and 247.5MB in the end (delta: 190.8MB). Free memory was 34.1MB in the beginning and 144.9MB in the end (delta: -110.8MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,036 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:40,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.45ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 34.0MB in the beginning and 44.3MB in the end (delta: -10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.56ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 57.4MB in the end (delta: -13.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,038 INFO L158 Benchmark]: Boogie Preprocessor took 99.27ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 52.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,038 INFO L158 Benchmark]: RCFGBuilder took 1930.68ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 52.6MB in the beginning and 66.4MB in the end (delta: -13.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,039 INFO L158 Benchmark]: TraceAbstraction took 11137.56ms. Allocated memory was 111.1MB in the beginning and 247.5MB in the end (delta: 136.3MB). Free memory was 66.4MB in the beginning and 144.9MB in the end (delta: -78.5MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:40,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.45ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 34.0MB in the beginning and 44.3MB in the end (delta: -10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.56ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 57.4MB in the end (delta: -13.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.27ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 52.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1930.68ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 52.6MB in the beginning and 66.4MB in the end (delta: -13.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11137.56ms. Allocated memory was 111.1MB in the beginning and 247.5MB in the end (delta: 136.3MB). Free memory was 66.4MB in the beginning and 144.9MB in the end (delta: -78.5MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 19:58:40,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c56744-876c-41a3-b91d-8618171cf1c1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop