./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R --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 0d18bb9a3c0c22532cb965506cd5bf113c39bd275ed24e432db6cb4dc254c263 --- 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-38b53e6 [2022-11-25 16:48:05,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:48:05,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:48:05,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:48:05,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:48:05,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:48:05,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:48:05,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:48:05,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:48:05,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:48:05,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:48:05,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:48:05,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:48:05,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:48:05,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:48:05,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:48:05,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:48:05,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:48:05,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:48:05,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:48:05,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:48:05,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:48:05,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:48:05,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:48:05,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:48:05,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:48:05,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:48:05,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:48:05,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:48:05,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:48:05,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:48:05,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:48:05,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:48:05,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:48:05,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:48:05,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:48:05,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:48:05,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:48:05,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:48:05,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:48:05,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:48:05,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:48:05,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:48:05,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:48:05,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:48:05,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:48:05,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:48:05,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:48:05,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:48:05,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:48:05,598 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:48:05,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:48:05,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:48:05,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:48:05,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:48:05,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:48:05,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:48:05,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:48:05,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:48:05,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:48:05,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:48:05,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:48:05,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:48:05,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:48:05,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:48:05,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:48:05,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:48:05,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:48:05,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:48:05,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:48:05,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:48:05,603 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:48:05,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:48:05,604 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d18bb9a3c0c22532cb965506cd5bf113c39bd275ed24e432db6cb4dc254c263 [2022-11-25 16:48:05,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:48:05,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:48:05,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:48:05,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:48:05,893 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:48:05,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c [2022-11-25 16:48:09,040 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:48:09,399 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:48:09,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c [2022-11-25 16:48:09,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/2803b60ee/761a5c0457064559aaa3b82ccca6a228/FLAGc6bcb9843 [2022-11-25 16:48:09,435 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/2803b60ee/761a5c0457064559aaa3b82ccca6a228 [2022-11-25 16:48:09,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:48:09,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:48:09,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:48:09,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:48:09,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:48:09,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:09" (1/1) ... [2022-11-25 16:48:09,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ef37ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:09, skipping insertion in model container [2022-11-25 16:48:09,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:09" (1/1) ... [2022-11-25 16:48:09,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:48:09,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:48:09,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c[1107,1120] [2022-11-25 16:48:10,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:48:10,230 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:48:10,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c[1107,1120] [2022-11-25 16:48:10,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:48:10,426 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:48:10,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10 WrapperNode [2022-11-25 16:48:10,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:48:10,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:48:10,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:48:10,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:48:10,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,621 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1549 [2022-11-25 16:48:10,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:48:10,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:48:10,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:48:10,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:48:10,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:48:10,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:48:10,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:48:10,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:48:10,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2022-11-25 16:48:10,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:48:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:48:10,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:48:10,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:48:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:48:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:48:11,296 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:48:11,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:49:08,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:49:08,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:49:08,397 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:49:08,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:08 BoogieIcfgContainer [2022-11-25 16:49:08,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:49:08,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:49:08,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:49:08,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:49:08,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:48:09" (1/3) ... [2022-11-25 16:49:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139c3419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:08, skipping insertion in model container [2022-11-25 16:49:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (2/3) ... [2022-11-25 16:49:08,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139c3419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:08, skipping insertion in model container [2022-11-25 16:49:08,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:08" (3/3) ... [2022-11-25 16:49:08,408 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal22.c [2022-11-25 16:49:08,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:49:08,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:49:08,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:49:08,479 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;@7f008e0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:49:08,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:49:08,484 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) [2022-11-25 16:49:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:49:08,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:08,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:49:08,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:08,496 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:49:08,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:49:08,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513219300] [2022-11-25 16:49:08,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:49:08,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:49:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:49:11,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:49:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:49:14,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:49:14,243 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:49:14,244 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:49:14,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:49:14,253 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:49:14,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:49:14,314 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 16:49:14,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:49:14 BoogieIcfgContainer [2022-11-25 16:49:14,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:49:14,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:49:14,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:49:14,346 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:49:14,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:08" (3/4) ... [2022-11-25 16:49:14,350 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:49:14,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:49:14,353 INFO L158 Benchmark]: Toolchain (without parser) took 64912.29ms. Allocated memory was 165.7MB in the beginning and 851.4MB in the end (delta: 685.8MB). Free memory was 116.7MB in the beginning and 719.0MB in the end (delta: -602.3MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,353 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:49:14,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.05ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 110.7MB in the end (delta: 6.0MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.57ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 92.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,361 INFO L158 Benchmark]: Boogie Preprocessor took 91.61ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 84.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,362 INFO L158 Benchmark]: RCFGBuilder took 57684.76ms. Allocated memory was 165.7MB in the beginning and 851.4MB in the end (delta: 685.8MB). Free memory was 84.4MB in the beginning and 601.4MB in the end (delta: -517.0MB). Peak memory consumption was 487.5MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,363 INFO L158 Benchmark]: TraceAbstraction took 5941.61ms. Allocated memory is still 851.4MB. Free memory was 600.4MB in the beginning and 719.0MB in the end (delta: -118.7MB). Peak memory consumption was 311.3MB. Max. memory is 16.1GB. [2022-11-25 16:49:14,364 INFO L158 Benchmark]: Witness Printer took 6.73ms. Allocated memory is still 851.4MB. Free memory is still 719.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:49:14,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.05ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 110.7MB in the end (delta: 6.0MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.57ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 92.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.61ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 84.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 57684.76ms. Allocated memory was 165.7MB in the beginning and 851.4MB in the end (delta: 685.8MB). Free memory was 84.4MB in the beginning and 601.4MB in the end (delta: -517.0MB). Peak memory consumption was 487.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5941.61ms. Allocated memory is still 851.4MB. Free memory was 600.4MB in the beginning and 719.0MB in the end (delta: -118.7MB). Peak memory consumption was 311.3MB. Max. memory is 16.1GB. * Witness Printer took 6.73ms. Allocated memory is still 851.4MB. Free memory is still 719.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 200, overapproximation of bitwiseAnd at line 164, overapproximation of bitwiseComplement at line 197, overapproximation of bitwiseXor at line 203. 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 - 2); [L29] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L31] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 3); [L32] const SORT_8 msb_SORT_8 = (SORT_8)1 << (3 - 1); [L34] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 5); [L35] const SORT_14 msb_SORT_14 = (SORT_14)1 << (5 - 1); [L37] const SORT_17 mask_SORT_17 = (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 8); [L38] const SORT_17 msb_SORT_17 = (SORT_17)1 << (8 - 1); [L40] const SORT_88 mask_SORT_88 = (SORT_88)-1 >> (sizeof(SORT_88) * 8 - 4); [L41] const SORT_88 msb_SORT_88 = (SORT_88)1 << (4 - 1); [L43] const SORT_186 mask_SORT_186 = (SORT_186)-1 >> (sizeof(SORT_186) * 8 - 6); [L44] const SORT_186 msb_SORT_186 = (SORT_186)1 << (6 - 1); [L46] const SORT_188 mask_SORT_188 = (SORT_188)-1 >> (sizeof(SORT_188) * 8 - 7); [L47] const SORT_188 msb_SORT_188 = (SORT_188)1 << (7 - 1); [L49] const SORT_191 mask_SORT_191 = (SORT_191)-1 >> (sizeof(SORT_191) * 8 - 9); [L50] const SORT_191 msb_SORT_191 = (SORT_191)1 << (9 - 1); [L52] const SORT_193 mask_SORT_193 = (SORT_193)-1 >> (sizeof(SORT_193) * 8 - 10); [L53] const SORT_193 msb_SORT_193 = (SORT_193)1 << (10 - 1); [L55] const SORT_195 mask_SORT_195 = (SORT_195)-1 >> (sizeof(SORT_195) * 8 - 11); [L56] const SORT_195 msb_SORT_195 = (SORT_195)1 << (11 - 1); [L58] const SORT_197 mask_SORT_197 = (SORT_197)-1 >> (sizeof(SORT_197) * 8 - 12); [L59] const SORT_197 msb_SORT_197 = (SORT_197)1 << (12 - 1); [L61] const SORT_1 var_29 = 0; [L62] const SORT_6 var_38 = 0; [L63] const SORT_6 var_46 = 3; [L64] const SORT_6 var_48 = 2; [L65] const SORT_6 var_50 = 1; [L66] const SORT_1 var_54 = 1; [L67] const SORT_8 var_55 = 1; [L68] const SORT_8 var_58 = 3; [L69] const SORT_8 var_61 = 2; [L70] const SORT_8 var_65 = 5; [L71] const SORT_8 var_68 = 7; [L72] const SORT_8 var_71 = 6; [L73] const SORT_8 var_75 = 4; [L74] const SORT_17 var_116 = 0; [L75] const SORT_14 var_137 = 11; [L76] const SORT_14 var_139 = 10; [L77] const SORT_14 var_141 = 2; [L78] const SORT_14 var_143 = 9; [L79] const SORT_14 var_158 = 21; [L80] const SORT_14 var_160 = 20; [L81] const SORT_14 var_162 = 19; [L82] const SORT_14 var_164 = 18; [L83] const SORT_14 var_166 = 17; [L84] const SORT_14 var_168 = 16; [L85] const SORT_14 var_170 = 15; [L86] const SORT_14 var_172 = 14; [L87] const SORT_14 var_174 = 8; [L88] const SORT_14 var_176 = 6; [L89] const SORT_14 var_178 = 3; [L90] const SORT_14 var_180 = 5; [L91] const SORT_14 var_200 = 4; [L92] const SORT_14 var_202 = 1; [L93] const SORT_14 var_212 = 7; [L94] const SORT_14 var_230 = 13; [L95] const SORT_14 var_238 = 12; [L96] const SORT_14 var_259 = 23; [L97] const SORT_14 var_262 = 22; [L98] const SORT_14 var_271 = 25; [L99] const SORT_14 var_274 = 27; [L100] const SORT_14 var_277 = 26; [L101] const SORT_14 var_281 = 29; [L102] const SORT_14 var_284 = 31; [L103] const SORT_14 var_287 = 30; [L104] const SORT_14 var_291 = 28; [L105] const SORT_14 var_297 = 24; [L106] const SORT_186 var_320 = 0; [L107] const SORT_17 var_396 = 3; [L109] SORT_1 input_2; [L110] SORT_1 input_3; [L111] SORT_1 input_4; [L112] SORT_1 input_5; [L113] SORT_6 input_7; [L114] SORT_8 input_9; [L115] SORT_6 input_10; [L116] SORT_1 input_11; [L117] SORT_1 input_12; [L118] SORT_1 input_13; [L119] SORT_14 input_15; [L120] SORT_6 input_16; [L121] SORT_17 input_18; [L122] SORT_6 input_19; [L123] SORT_1 input_20; [L124] SORT_1 input_21; [L125] SORT_6 input_22; [L126] SORT_6 input_23; [L127] SORT_17 input_24; [L128] SORT_17 input_25; [L129] SORT_1 input_26; [L130] SORT_1 input_27; [L131] SORT_6 input_28; [L133] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] SORT_6 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L137] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] SORT_17 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_17; [L139] SORT_6 state_344 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L140] SORT_17 state_442 = __VERIFIER_nondet_uchar() & mask_SORT_17; [L141] SORT_6 state_448 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L143] SORT_1 init_31_arg_1 = var_29; [L144] state_30 = init_31_arg_1 [L145] SORT_1 init_34_arg_1 = var_29; [L146] state_33 = init_34_arg_1 [L147] SORT_1 init_36_arg_1 = var_29; [L148] state_35 = init_36_arg_1 [L149] SORT_6 init_40_arg_1 = var_38; [L150] state_39 = init_40_arg_1 [L151] SORT_1 init_102_arg_1 = var_29; [L152] state_101 = init_102_arg_1 [L153] SORT_17 init_118_arg_1 = var_116; [L154] state_117 = init_118_arg_1 [L155] SORT_6 init_345_arg_1 = var_38; [L156] state_344 = init_345_arg_1 [L157] SORT_17 init_443_arg_1 = var_116; [L158] state_442 = init_443_arg_1 [L159] SORT_6 init_449_arg_1 = var_38; [L160] state_448 = init_449_arg_1 VAL [init_102_arg_1=0, init_118_arg_1=0, init_31_arg_1=0, init_345_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_443_arg_1=0, init_449_arg_1=0, mask_SORT_1=1, mask_SORT_14=31, mask_SORT_17=255, mask_SORT_186=63, mask_SORT_188=127, mask_SORT_191=511, mask_SORT_193=1023, mask_SORT_195=2047, mask_SORT_197=4095, mask_SORT_6=3, mask_SORT_8=7, mask_SORT_88=15, msb_SORT_1=1, msb_SORT_14=16, msb_SORT_17=128, msb_SORT_186=32, msb_SORT_188=64, msb_SORT_191=256, msb_SORT_193=512, msb_SORT_195=1024, msb_SORT_197=2048, msb_SORT_6=2, msb_SORT_8=4, msb_SORT_88=8, state_101=0, state_117=0, state_30=0, state_33=0, state_344=0, state_35=0, state_39=0, state_442=0, state_448=0, var_116=0, var_137=11, var_139=10, var_141=2, var_143=9, var_158=21, var_160=20, var_162=19, var_164=18, var_166=17, var_168=16, var_170=15, var_172=14, var_174=8, var_176=6, var_178=3, var_180=5, var_200=4, var_202=1, var_212=7, var_230=13, var_238=12, var_259=23, var_262=22, var_271=25, var_274=27, var_277=26, var_281=29, var_284=31, var_287=30, var_29=0, var_291=28, var_297=24, var_320=0, var_38=0, var_396=3, var_46=3, var_48=2, var_50=1, var_54=1, var_55=1, var_58=3, var_61=2, var_65=5, var_68=7, var_71=6, var_75=4] [L163] input_2 = __VERIFIER_nondet_uchar() [L164] input_2 = input_2 & mask_SORT_1 [L165] input_3 = __VERIFIER_nondet_uchar() [L166] input_3 = input_3 & mask_SORT_1 [L167] input_4 = __VERIFIER_nondet_uchar() [L168] input_5 = __VERIFIER_nondet_uchar() [L169] input_5 = input_5 & mask_SORT_1 [L170] input_7 = __VERIFIER_nondet_uchar() [L171] input_7 = input_7 & mask_SORT_6 [L172] input_9 = __VERIFIER_nondet_uchar() [L173] input_9 = input_9 & mask_SORT_8 [L174] input_10 = __VERIFIER_nondet_uchar() [L175] input_10 = input_10 & mask_SORT_6 [L176] input_11 = __VERIFIER_nondet_uchar() [L177] input_11 = input_11 & mask_SORT_1 [L178] input_12 = __VERIFIER_nondet_uchar() [L179] input_13 = __VERIFIER_nondet_uchar() [L180] input_15 = __VERIFIER_nondet_uchar() [L181] input_15 = input_15 & mask_SORT_14 [L182] input_16 = __VERIFIER_nondet_uchar() [L183] input_18 = __VERIFIER_nondet_uchar() [L184] input_19 = __VERIFIER_nondet_uchar() [L185] input_20 = __VERIFIER_nondet_uchar() [L186] input_21 = __VERIFIER_nondet_uchar() [L187] input_22 = __VERIFIER_nondet_uchar() [L188] input_23 = __VERIFIER_nondet_uchar() [L189] input_24 = __VERIFIER_nondet_uchar() [L190] input_25 = __VERIFIER_nondet_uchar() [L191] input_26 = __VERIFIER_nondet_uchar() [L192] input_27 = __VERIFIER_nondet_uchar() [L193] input_28 = __VERIFIER_nondet_uchar() [L196] SORT_1 var_32_arg_0 = state_30; [L197] SORT_1 var_32 = ~var_32_arg_0; [L198] SORT_1 var_92_arg_0 = input_12; [L199] SORT_1 var_92_arg_1 = input_11; [L200] SORT_6 var_92 = ((SORT_6)var_92_arg_0 << 1) | var_92_arg_1; [L201] var_92 = var_92 & mask_SORT_6 [L202] SORT_6 var_93_arg_0 = var_92; [L203] var_93_arg_0 ^= var_93_arg_0 >> 4 [L204] var_93_arg_0 ^= var_93_arg_0 >> 2 [L205] var_93_arg_0 ^= var_93_arg_0 >> 1 [L206] SORT_1 var_93 = var_93_arg_0; [L207] SORT_8 var_85_arg_0 = input_9; [L208] SORT_8 var_85_arg_1 = var_61; [L209] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L210] SORT_8 var_84_arg_0 = input_9; [L211] SORT_8 var_84_arg_1 = var_55; [L212] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L213] SORT_8 var_83_arg_0 = input_9; [L214] SORT_8 var_83_arg_1 = var_75; [L215] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L216] SORT_8 var_82_arg_0 = input_9; [L217] SORT_8 var_82_arg_1 = var_65; [L218] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L219] SORT_1 var_86_arg_0 = var_83; [L220] SORT_1 var_86_arg_1 = var_82; [L221] SORT_6 var_86 = ((SORT_6)var_86_arg_0 << 1) | var_86_arg_1; [L222] var_86 = var_86 & mask_SORT_6 [L223] SORT_1 var_87_arg_0 = var_84; [L224] SORT_6 var_87_arg_1 = var_86; [L225] SORT_8 var_87 = ((SORT_8)var_87_arg_0 << 2) | var_87_arg_1; [L226] var_87 = var_87 & mask_SORT_8 [L227] SORT_1 var_89_arg_0 = var_85; [L228] SORT_8 var_89_arg_1 = var_87; [L229] SORT_88 var_89 = ((SORT_88)var_89_arg_0 << 3) | var_89_arg_1; [L230] var_89 = var_89 & mask_SORT_88 [L231] SORT_88 var_90_arg_0 = var_89; [L232] SORT_1 var_90 = var_90_arg_0 != 0; [L233] SORT_6 var_51_arg_0 = input_10; [L234] SORT_6 var_51_arg_1 = var_50; [L235] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L236] SORT_8 var_72_arg_0 = input_9; [L237] SORT_8 var_72_arg_1 = var_71; [L238] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L239] SORT_8 var_69_arg_0 = input_9; [L240] SORT_8 var_69_arg_1 = var_68; [L241] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L242] SORT_1 var_73_arg_0 = var_72; [L243] SORT_1 var_73_arg_1 = var_69; [L244] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L245] var_73 = var_73 & mask_SORT_1 [L246] SORT_8 var_66_arg_0 = input_9; [L247] SORT_8 var_66_arg_1 = var_65; [L248] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L249] SORT_8 var_76_arg_0 = input_9; [L250] SORT_8 var_76_arg_1 = var_75; [L251] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L252] SORT_1 var_77_arg_0 = var_66; [L253] SORT_1 var_77_arg_1 = var_76; [L254] SORT_6 var_77 = ((SORT_6)var_77_arg_0 << 1) | var_77_arg_1; [L255] var_77 = var_77 & mask_SORT_6 [L256] SORT_1 var_78_arg_0 = var_73; [L257] SORT_6 var_78_arg_1 = var_77; [L258] SORT_8 var_78 = ((SORT_8)var_78_arg_0 << 2) | var_78_arg_1; [L259] var_78 = var_78 & mask_SORT_8 [L260] SORT_8 var_79_arg_0 = var_78; [L261] SORT_1 var_79 = var_79_arg_0 != 0; [L262] SORT_1 var_70_arg_0 = var_69; [L263] SORT_1 var_70_arg_1 = var_54; [L264] SORT_1 var_70_arg_2 = var_54; [L265] SORT_1 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L266] SORT_1 var_67_arg_0 = var_66; [L267] SORT_1 var_67_arg_1 = var_29; [L268] SORT_1 var_67_arg_2 = var_29; [L269] SORT_1 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L270] SORT_1 var_74_arg_0 = var_73; [L271] SORT_1 var_74_arg_1 = var_70; [L272] SORT_1 var_74_arg_2 = var_67; [L273] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L274] SORT_8 var_62_arg_0 = input_9; [L275] SORT_8 var_62_arg_1 = var_61; [L276] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L277] SORT_8 var_59_arg_0 = input_9; [L278] SORT_8 var_59_arg_1 = var_58; [L279] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L280] SORT_1 var_63_arg_0 = var_62; [L281] SORT_1 var_63_arg_1 = var_59; [L282] SORT_1 var_63 = var_63_arg_0 | var_63_arg_1; [L283] var_63 = var_63 & mask_SORT_1 [L284] SORT_1 var_60_arg_0 = var_59; [L285] SORT_1 var_60_arg_1 = var_54; [L286] SORT_1 var_60_arg_2 = var_29; [L287] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L288] SORT_8 var_56_arg_0 = input_9; [L289] SORT_8 var_56_arg_1 = var_55; [L290] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L291] SORT_1 var_57_arg_0 = var_56; [L292] SORT_1 var_57_arg_1 = var_29; [L293] SORT_1 var_57_arg_2 = var_54; [L294] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L295] SORT_1 var_64_arg_0 = var_63; [L296] SORT_1 var_64_arg_1 = var_60; [L297] SORT_1 var_64_arg_2 = var_57; [L298] SORT_1 var_64 = var_64_arg_0 ? var_64_arg_1 : var_64_arg_2; [L299] SORT_1 var_80_arg_0 = var_79; [L300] SORT_1 var_80_arg_1 = var_74; [L301] SORT_1 var_80_arg_2 = var_64; [L302] SORT_1 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L303] var_80 = var_80 & mask_SORT_1 [L304] SORT_6 var_49_arg_0 = input_10; [L305] SORT_6 var_49_arg_1 = var_48; [L306] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L307] SORT_1 var_52_arg_0 = var_51; [L308] SORT_1 var_52_arg_1 = var_49; [L309] SORT_6 var_52 = ((SORT_6)var_52_arg_0 << 1) | var_52_arg_1; [L310] var_52 = var_52 & mask_SORT_6 [L311] SORT_6 var_53_arg_0 = var_52; [L312] SORT_1 var_53 = var_53_arg_0 != 0; [L313] SORT_1 var_81_arg_0 = var_80; [L314] SORT_1 var_81_arg_1 = var_53; [L315] SORT_1 var_81_arg_2 = var_29; [L316] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L317] SORT_1 var_91_arg_0 = var_90; [L318] SORT_1 var_91_arg_1 = var_51; [L319] SORT_1 var_91_arg_2 = var_81; [L320] SORT_1 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L321] SORT_6 var_47_arg_0 = input_7; [L322] SORT_6 var_47_arg_1 = var_46; [L323] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L324] SORT_1 var_94_arg_0 = var_91; [L325] SORT_1 var_94_arg_1 = var_47; [L326] SORT_6 var_94 = ((SORT_6)var_94_arg_0 << 1) | var_94_arg_1; [L327] var_94 = var_94 & mask_SORT_6 [L328] SORT_1 var_95_arg_0 = var_93; [L329] SORT_6 var_95_arg_1 = var_94; [L330] SORT_8 var_95 = ((SORT_8)var_95_arg_0 << 2) | var_95_arg_1; [L331] var_95 = var_95 & mask_SORT_8 [L332] SORT_8 var_96_arg_0 = var_95; [L333] SORT_1 var_96 = var_96_arg_0 != 0; [L334] SORT_1 var_97_arg_0 = input_13; [L335] SORT_1 var_97_arg_1 = var_96; [L336] SORT_6 var_97 = ((SORT_6)var_97_arg_0 << 1) | var_97_arg_1; [L337] var_97 = var_97 & mask_SORT_6 [L338] SORT_6 var_98_arg_0 = var_97; [L339] SORT_1 var_98 = var_98_arg_0 == mask_SORT_6; [L340] SORT_1 var_41_arg_0 = state_35; [L341] SORT_6 var_41_arg_1 = state_39; [L342] SORT_6 var_41_arg_2 = input_19; [L343] SORT_6 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L344] SORT_6 var_44_arg_0 = var_41; [L345] SORT_1 var_44 = var_44_arg_0 >> 0; [L346] var_44 = var_44 & mask_SORT_1 [L347] SORT_6 var_42_arg_0 = var_41; [L348] SORT_1 var_42 = var_42_arg_0 >> 1; [L349] var_42 = var_42 & mask_SORT_1 [L350] SORT_1 var_37_arg_0 = state_35; [L351] SORT_1 var_37_arg_1 = state_33; [L352] SORT_1 var_37_arg_2 = input_20; [L353] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L354] SORT_1 var_43_arg_0 = var_42; [L355] SORT_1 var_43_arg_1 = var_37; [L356] SORT_1 var_43_arg_2 = var_29; [L357] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L358] SORT_1 var_45_arg_0 = var_44; [L359] SORT_1 var_45_arg_1 = var_29; [L360] SORT_1 var_45_arg_2 = var_43; [L361] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L362] var_45 = var_45 & mask_SORT_1 [L363] SORT_1 var_99_arg_0 = var_98; [L364] SORT_1 var_99_arg_1 = var_45; [L365] SORT_6 var_99 = ((SORT_6)var_99_arg_0 << 1) | var_99_arg_1; [L366] var_99 = var_99 & mask_SORT_6 [L367] SORT_6 var_100_arg_0 = var_99; [L368] SORT_1 var_100 = var_100_arg_0 != 0; [L369] SORT_1 var_103_arg_0 = state_35; [L370] SORT_1 var_103_arg_1 = state_101; [L371] SORT_1 var_103_arg_2 = input_20; [L372] SORT_1 var_103 = var_103_arg_0 ? var_103_arg_1 : var_103_arg_2; [L373] SORT_1 var_104_arg_0 = var_42; [L374] SORT_1 var_104_arg_1 = var_103; [L375] SORT_1 var_104_arg_2 = var_29; [L376] SORT_1 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L377] SORT_1 var_105_arg_0 = var_44; [L378] SORT_1 var_105_arg_1 = var_29; [L379] SORT_1 var_105_arg_2 = var_104; [L380] SORT_1 var_105 = var_105_arg_0 ? var_105_arg_1 : var_105_arg_2; [L381] var_105 = var_105 & mask_SORT_1 [L382] SORT_1 var_106_arg_0 = var_98; [L383] SORT_1 var_106_arg_1 = var_105; [L384] SORT_6 var_106 = ((SORT_6)var_106_arg_0 << 1) | var_106_arg_1; [L385] var_106 = var_106 & mask_SORT_6 [L386] SORT_6 var_107_arg_0 = var_106; [L387] SORT_1 var_107 = var_107_arg_0 != 0; [L388] SORT_1 var_108_arg_0 = var_100; [L389] SORT_1 var_108_arg_1 = var_107; [L390] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L391] SORT_1 var_109_arg_0 = var_32; [L392] SORT_1 var_109_arg_1 = var_108; [L393] SORT_1 var_109 = var_109_arg_0 | var_109_arg_1; [L394] SORT_1 var_112_arg_0 = var_109; [L395] SORT_1 var_112 = ~var_112_arg_0; [L396] SORT_1 var_113_arg_0 = var_54; [L397] SORT_1 var_113_arg_1 = var_112; [L398] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L399] var_113 = var_113 & mask_SORT_1 [L400] SORT_1 bad_114_arg_0 = var_113; [L401] CALL __VERIFIER_assert(!(bad_114_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 16:49:14,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R --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 0d18bb9a3c0c22532cb965506cd5bf113c39bd275ed24e432db6cb4dc254c263 --- 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-38b53e6 [2022-11-25 16:49:16,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:49:16,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:49:16,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:49:16,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:49:16,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:49:16,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:49:16,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:49:16,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:49:16,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:49:16,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:49:16,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:49:16,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:49:16,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:49:16,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:49:16,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:49:16,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:49:16,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:49:16,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:49:16,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:49:16,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:49:16,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:49:16,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:49:16,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:49:16,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:49:16,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:49:16,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:49:16,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:49:16,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:49:16,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:49:16,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:49:16,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:49:16,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:49:16,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:49:16,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:49:16,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:49:16,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:49:16,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:49:16,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:49:16,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:49:16,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:49:16,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 16:49:16,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:49:16,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:49:16,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:49:16,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:49:16,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:49:16,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:49:16,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:49:16,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:49:16,951 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:49:16,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:49:16,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:49:16,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:49:16,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:49:16,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:49:16,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:49:16,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:49:16,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:49:16,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:49:16,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:49:16,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:49:16,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:49:16,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:49:16,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:49:16,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:49:16,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:49:16,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:49:16,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:49:16,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:49:16,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:49:16,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:49:16,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:49:16,956 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:49:16,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:49:16,957 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:49:16,957 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d18bb9a3c0c22532cb965506cd5bf113c39bd275ed24e432db6cb4dc254c263 [2022-11-25 16:49:17,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:49:17,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:49:17,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:49:17,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:49:17,382 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:49:17,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c [2022-11-25 16:49:20,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:49:20,885 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:49:20,887 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c [2022-11-25 16:49:20,908 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/0efacec7f/a452c803b8b645f58115b06b4000deb0/FLAG2f481c688 [2022-11-25 16:49:20,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/data/0efacec7f/a452c803b8b645f58115b06b4000deb0 [2022-11-25 16:49:20,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:49:20,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:49:20,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:49:20,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:49:20,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:49:20,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:20" (1/1) ... [2022-11-25 16:49:20,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53489fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:20, skipping insertion in model container [2022-11-25 16:49:20,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:20" (1/1) ... [2022-11-25 16:49:20,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:49:21,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:49:21,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c[1107,1120] [2022-11-25 16:49:21,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:49:21,591 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:49:21,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal22.c[1107,1120] [2022-11-25 16:49:21,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:49:21,780 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:49:21,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21 WrapperNode [2022-11-25 16:49:21,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:49:21,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:49:21,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:49:21,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:49:21,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,928 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1549 [2022-11-25 16:49:21,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:49:21,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:49:21,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:49:21,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:49:21,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:21,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:22,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:49:22,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:49:22,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:49:22,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:49:22,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (1/1) ... [2022-11-25 16:49:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:49:22,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:49:22,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:49:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:49:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:49:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:49:22,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:49:22,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:49:25,838 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:49:25,845 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:49:25,847 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:49:25,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:25 BoogieIcfgContainer [2022-11-25 16:49:25,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:49:25,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:49:25,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:49:25,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:49:25,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:49:20" (1/3) ... [2022-11-25 16:49:25,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c1286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:25, skipping insertion in model container [2022-11-25 16:49:25,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:21" (2/3) ... [2022-11-25 16:49:25,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c1286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:25, skipping insertion in model container [2022-11-25 16:49:25,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:25" (3/3) ... [2022-11-25 16:49:25,861 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal22.c [2022-11-25 16:49:25,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:49:25,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:49:25,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:49:25,967 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;@69295aab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:49:25,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:49:25,972 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) [2022-11-25 16:49:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:49:25,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:25,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:49:25,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:49:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:49:26,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322936507] [2022-11-25 16:49:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:49:26,006 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 [2022-11-25 16:49:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:49:26,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:49:26,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:26,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 16:49:26,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:49:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:49:26,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:49:26,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:49:26,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322936507] [2022-11-25 16:49:26,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322936507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:49:26,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:49:26,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:49:26,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365025113] [2022-11-25 16:49:26,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:49:26,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:49:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:49:26,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:49:26,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:49:26,745 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) [2022-11-25 16:49:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:49:27,148 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 16:49:27,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:49:27,151 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 [2022-11-25 16:49:27,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:49:27,158 INFO L225 Difference]: With dead ends: 20 [2022-11-25 16:49:27,159 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 16:49:27,162 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 [2022-11-25 16:49:27,165 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 16:49:27,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 16:49:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 16:49:27,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 16:49:27,194 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) [2022-11-25 16:49:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 16:49:27,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 16:49:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:49:27,197 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 16:49:27,197 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) [2022-11-25 16:49:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 16:49:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 16:49:27,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:27,198 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 16:49:27,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:27,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:27,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 16:49:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:49:27,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596462626] [2022-11-25 16:49:27,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:49:27,415 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 [2022-11-25 16:49:27,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:49:27,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:49:27,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:28,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-25 16:49:28,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:49:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:49:28,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:49:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:49:31,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:49:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596462626] [2022-11-25 16:49:31,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596462626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:49:31,800 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:49:31,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 16:49:31,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361122479] [2022-11-25 16:49:31,801 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:49:31,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:49:31,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:49:31,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:49:31,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:49:31,804 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) [2022-11-25 16:49:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:49:32,588 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 16:49:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:49:32,589 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 [2022-11-25 16:49:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:49:32,590 INFO L225 Difference]: With dead ends: 16 [2022-11-25 16:49:32,590 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 16:49:32,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:49:32,592 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 16:49:32,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 16:49:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 16:49:32,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 16:49:32,596 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) [2022-11-25 16:49:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 16:49:32,597 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 16:49:32,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:49:32,597 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 16:49:32,598 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) [2022-11-25 16:49:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 16:49:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:49:32,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:32,599 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 16:49:32,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:32,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:32,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 16:49:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:49:32,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523973929] [2022-11-25 16:49:32,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:49:32,807 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 [2022-11-25 16:49:32,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:49:32,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:49:32,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0c82b76-376b-4d67-9117-8556c2866372/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:49:34,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 16:49:34,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:49:34,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2773 conjuncts, 542 conjunts are in the unsatisfiable core [2022-11-25 16:49:34,295 INFO L286 TraceCheckSpWp]: Computing forward predicates...