./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de3432be659aeb068d9578abe855cccd372c2dcc53965b366fbb1d4a71898931 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:04:24,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:04:24,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:04:24,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:04:24,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:04:24,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:04:24,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:04:24,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:04:24,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:04:24,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:04:24,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:04:24,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:04:24,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:04:24,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:04:24,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:04:24,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:04:24,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:04:24,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:04:24,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:04:24,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:04:24,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:04:24,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:04:24,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:04:24,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:04:24,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:04:24,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:04:24,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:04:24,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:04:24,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:04:24,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:04:24,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:04:24,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:04:24,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:04:24,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:04:24,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:04:24,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:04:24,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:04:24,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:04:24,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:04:24,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:04:24,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:04:24,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:04:24,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:04:24,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:04:24,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:04:24,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:04:24,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:04:24,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:04:24,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:04:24,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:04:24,814 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:04:24,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:04:24,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:04:24,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:04:24,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:04:24,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:04:24,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:04:24,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:04:24,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:04:24,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:04:24,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:04:24,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:04:24,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:04:24,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:24,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:04:24,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:04:24,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:04:24,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:04:24,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:04:24,820 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:04:24,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:04:24,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:04:24,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de3432be659aeb068d9578abe855cccd372c2dcc53965b366fbb1d4a71898931 [2022-11-20 12:04:25,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:04:25,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:04:25,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:04:25,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:04:25,141 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:04:25,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2022-11-20 12:04:28,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:04:28,506 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:04:28,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2022-11-20 12:04:28,520 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/ccd8e663e/0ac1e18633644689a977638b51f4f7f1/FLAG95d437ba8 [2022-11-20 12:04:28,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/ccd8e663e/0ac1e18633644689a977638b51f4f7f1 [2022-11-20 12:04:28,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:04:28,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:04:28,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:28,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:04:28,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:04:28,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:28" (1/1) ... [2022-11-20 12:04:28,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bbac1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:28, skipping insertion in model container [2022-11-20 12:04:28,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:28" (1/1) ... [2022-11-20 12:04:28,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:04:28,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:28,780 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_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1107,1120] [2022-11-20 12:04:29,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:29,066 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:04:29,078 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_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1107,1120] [2022-11-20 12:04:29,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:29,267 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:04:29,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29 WrapperNode [2022-11-20 12:04:29,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:29,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:29,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:04:29,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:04:29,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,474 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2022-11-20 12:04:29,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:29,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:04:29,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:04:29,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:04:29,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:04:29,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:04:29,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:04:29,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:04:29,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (1/1) ... [2022-11-20 12:04:29,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:29,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:29,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:04:29,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:04:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:04:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:04:30,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:04:30,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:04:36,549 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:36,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:36,557 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:04:36,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:36 BoogieIcfgContainer [2022-11-20 12:04:36,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:36,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:36,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:36,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:36,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:04:28" (1/3) ... [2022-11-20 12:04:36,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723aec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:36, skipping insertion in model container [2022-11-20 12:04:36,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:29" (2/3) ... [2022-11-20 12:04:36,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723aec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:36, skipping insertion in model container [2022-11-20 12:04:36,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:36" (3/3) ... [2022-11-20 12:04:36,569 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2022-11-20 12:04:36,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:36,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:04:36,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:36,656 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;@5211b642, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:36,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:04:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:04:36,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:36,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:04:36,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:36,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 12:04:36,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:36,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626765447] [2022-11-20 12:04:36,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:04:37,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:04:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:04:37,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:04:37,551 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:04:37,553 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:04:37,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:04:37,560 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 12:04:37,565 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:04:37,615 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 12:04:37,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:04:37 BoogieIcfgContainer [2022-11-20 12:04:37,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:04:37,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:04:37,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:04:37,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:04:37,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:36" (3/4) ... [2022-11-20 12:04:37,637 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:04:37,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:04:37,638 INFO L158 Benchmark]: Toolchain (without parser) took 9100.91ms. Allocated memory was 134.2MB in the beginning and 450.9MB in the end (delta: 316.7MB). Free memory was 101.1MB in the beginning and 245.6MB in the end (delta: -144.4MB). Peak memory consumption was 173.7MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,639 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 106.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:04:37,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.40ms. Allocated memory is still 134.2MB. Free memory was 101.1MB in the beginning and 60.6MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.79ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 139.9MB in the end (delta: -79.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,647 INFO L158 Benchmark]: Boogie Preprocessor took 90.23ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 134.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,648 INFO L158 Benchmark]: RCFGBuilder took 6993.36ms. Allocated memory was 176.2MB in the beginning and 450.9MB in the end (delta: 274.7MB). Free memory was 134.7MB in the beginning and 316.9MB in the end (delta: -182.2MB). Peak memory consumption was 273.2MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,650 INFO L158 Benchmark]: TraceAbstraction took 1067.33ms. Allocated memory is still 450.9MB. Free memory was 316.9MB in the beginning and 246.6MB in the end (delta: 70.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-20 12:04:37,650 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 450.9MB. Free memory was 246.6MB in the beginning and 245.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:04:37,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 106.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.40ms. Allocated memory is still 134.2MB. Free memory was 101.1MB in the beginning and 60.6MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.79ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 139.9MB in the end (delta: -79.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.23ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 134.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6993.36ms. Allocated memory was 176.2MB in the beginning and 450.9MB in the end (delta: 274.7MB). Free memory was 134.7MB in the beginning and 316.9MB in the end (delta: -182.2MB). Peak memory consumption was 273.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1067.33ms. Allocated memory is still 450.9MB. Free memory was 316.9MB in the beginning and 246.6MB in the end (delta: 70.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 450.9MB. Free memory was 246.6MB in the beginning and 245.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 371, overapproximation of bitwiseOr at line 342, overapproximation of bitwiseAnd at line 329. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L29] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L34] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 3); [L35] const SORT_37 msb_SORT_37 = (SORT_37)1 << (3 - 1); [L37] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 2); [L38] const SORT_67 msb_SORT_67 = (SORT_67)1 << (2 - 1); [L40] const SORT_7 var_8 = 0; [L41] const SORT_11 var_13 = 0; [L42] const SORT_11 var_16 = 8; [L43] const SORT_11 var_20 = 4; [L44] const SORT_11 var_24 = 2; [L45] const SORT_11 var_28 = 1; [L46] const SORT_1 var_33 = 1; [L47] const SORT_37 var_38 = 0; [L48] const SORT_1 var_47 = 0; [L49] const SORT_67 var_68 = 0; [L50] const SORT_67 var_71 = 1; [L51] const SORT_37 var_81 = 7; [L52] const SORT_37 var_104 = 1; [L53] const SORT_37 var_123 = 2; [L54] const SORT_37 var_138 = 4; [L55] const SORT_67 var_154 = 2; [L56] const SORT_7 var_394 = 8; [L57] const SORT_7 var_397 = 4; [L58] const SORT_7 var_400 = 2; [L59] const SORT_7 var_401 = 1; [L61] SORT_1 input_2; [L62] SORT_1 input_3; [L63] SORT_1 input_4; [L64] SORT_1 input_5; [L65] SORT_1 input_6; [L66] SORT_37 input_75; [L67] SORT_37 input_76; [L68] SORT_37 input_77; [L69] SORT_37 input_78; [L70] SORT_37 input_79; [L71] SORT_37 input_80; [L72] SORT_37 input_85; [L73] SORT_37 input_87; [L74] SORT_37 input_89; [L75] SORT_37 input_94; [L76] SORT_37 input_96; [L77] SORT_37 input_98; [L78] SORT_37 input_102; [L79] SORT_37 input_103; [L80] SORT_37 input_108; [L81] SORT_37 input_110; [L82] SORT_37 input_115; [L83] SORT_37 input_117; [L84] SORT_37 input_121; [L85] SORT_37 input_122; [L86] SORT_37 input_127; [L87] SORT_37 input_132; [L88] SORT_37 input_136; [L89] SORT_37 input_137; [L90] SORT_37 input_149; [L91] SORT_37 input_160; [L92] SORT_37 input_161; [L93] SORT_37 input_162; [L94] SORT_37 input_163; [L95] SORT_37 input_164; [L96] SORT_37 input_165; [L97] SORT_37 input_168; [L98] SORT_37 input_170; [L99] SORT_37 input_172; [L100] SORT_37 input_177; [L101] SORT_37 input_179; [L102] SORT_37 input_181; [L103] SORT_37 input_185; [L104] SORT_37 input_186; [L105] SORT_37 input_189; [L106] SORT_37 input_191; [L107] SORT_37 input_196; [L108] SORT_37 input_198; [L109] SORT_37 input_202; [L110] SORT_37 input_203; [L111] SORT_37 input_206; [L112] SORT_37 input_211; [L113] SORT_37 input_215; [L114] SORT_37 input_216; [L115] SORT_37 input_226; [L116] SORT_37 input_233; [L117] SORT_37 input_234; [L118] SORT_37 input_235; [L119] SORT_37 input_236; [L120] SORT_37 input_237; [L121] SORT_37 input_238; [L122] SORT_37 input_241; [L123] SORT_37 input_243; [L124] SORT_37 input_245; [L125] SORT_37 input_250; [L126] SORT_37 input_252; [L127] SORT_37 input_254; [L128] SORT_37 input_258; [L129] SORT_37 input_259; [L130] SORT_37 input_262; [L131] SORT_37 input_264; [L132] SORT_37 input_269; [L133] SORT_37 input_271; [L134] SORT_37 input_275; [L135] SORT_37 input_276; [L136] SORT_37 input_279; [L137] SORT_37 input_284; [L138] SORT_37 input_288; [L139] SORT_37 input_289; [L140] SORT_37 input_299; [L141] SORT_37 input_306; [L142] SORT_37 input_307; [L143] SORT_37 input_308; [L144] SORT_37 input_309; [L145] SORT_37 input_310; [L146] SORT_37 input_311; [L147] SORT_37 input_314; [L148] SORT_37 input_316; [L149] SORT_37 input_318; [L150] SORT_37 input_323; [L151] SORT_37 input_325; [L152] SORT_37 input_327; [L153] SORT_37 input_331; [L154] SORT_37 input_332; [L155] SORT_37 input_335; [L156] SORT_37 input_337; [L157] SORT_37 input_342; [L158] SORT_37 input_344; [L159] SORT_37 input_348; [L160] SORT_37 input_349; [L161] SORT_37 input_352; [L162] SORT_37 input_357; [L163] SORT_37 input_361; [L164] SORT_37 input_362; [L165] SORT_37 input_372; [L166] SORT_7 input_391; [L167] SORT_7 input_392; [L168] SORT_7 input_393; [L170] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L171] SORT_37 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L172] SORT_37 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L173] SORT_37 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L174] SORT_37 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L175] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] SORT_7 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L180] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] SORT_67 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_67; [L186] SORT_7 init_10_arg_1 = var_8; [L187] state_9 = init_10_arg_1 [L188] SORT_37 init_40_arg_1 = var_38; [L189] state_39 = init_40_arg_1 [L190] SORT_37 init_42_arg_1 = var_38; [L191] state_41 = init_42_arg_1 [L192] SORT_37 init_44_arg_1 = var_38; [L193] state_43 = init_44_arg_1 [L194] SORT_37 init_46_arg_1 = var_38; [L195] state_45 = init_46_arg_1 [L196] SORT_1 init_49_arg_1 = var_47; [L197] state_48 = init_49_arg_1 [L198] SORT_1 init_51_arg_1 = var_47; [L199] state_50 = init_51_arg_1 [L200] SORT_1 init_53_arg_1 = var_47; [L201] state_52 = init_53_arg_1 [L202] SORT_1 init_55_arg_1 = var_47; [L203] state_54 = init_55_arg_1 [L204] SORT_7 init_57_arg_1 = var_8; [L205] state_56 = init_57_arg_1 [L206] SORT_1 init_60_arg_1 = var_47; [L207] state_59 = init_60_arg_1 [L208] SORT_1 init_62_arg_1 = var_47; [L209] state_61 = init_62_arg_1 [L210] SORT_1 init_64_arg_1 = var_47; [L211] state_63 = init_64_arg_1 [L212] SORT_1 init_66_arg_1 = var_47; [L213] state_65 = init_66_arg_1 [L214] SORT_67 init_70_arg_1 = var_68; [L215] state_69 = init_70_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_13=0, var_138=4, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_8=0, var_81=7] [L218] input_2 = __VERIFIER_nondet_uchar() [L219] input_3 = __VERIFIER_nondet_uchar() [L220] input_4 = __VERIFIER_nondet_uchar() [L221] input_5 = __VERIFIER_nondet_uchar() [L222] input_6 = __VERIFIER_nondet_uchar() [L223] input_75 = __VERIFIER_nondet_uchar() [L224] input_76 = __VERIFIER_nondet_uchar() [L225] input_77 = __VERIFIER_nondet_uchar() [L226] input_78 = __VERIFIER_nondet_uchar() [L227] input_79 = __VERIFIER_nondet_uchar() [L228] input_80 = __VERIFIER_nondet_uchar() [L229] input_85 = __VERIFIER_nondet_uchar() [L230] input_87 = __VERIFIER_nondet_uchar() [L231] input_89 = __VERIFIER_nondet_uchar() [L232] input_94 = __VERIFIER_nondet_uchar() [L233] input_96 = __VERIFIER_nondet_uchar() [L234] input_98 = __VERIFIER_nondet_uchar() [L235] input_102 = __VERIFIER_nondet_uchar() [L236] input_103 = __VERIFIER_nondet_uchar() [L237] input_108 = __VERIFIER_nondet_uchar() [L238] input_110 = __VERIFIER_nondet_uchar() [L239] input_115 = __VERIFIER_nondet_uchar() [L240] input_117 = __VERIFIER_nondet_uchar() [L241] input_121 = __VERIFIER_nondet_uchar() [L242] input_122 = __VERIFIER_nondet_uchar() [L243] input_127 = __VERIFIER_nondet_uchar() [L244] input_132 = __VERIFIER_nondet_uchar() [L245] input_136 = __VERIFIER_nondet_uchar() [L246] input_137 = __VERIFIER_nondet_uchar() [L247] input_149 = __VERIFIER_nondet_uchar() [L248] input_160 = __VERIFIER_nondet_uchar() [L249] input_161 = __VERIFIER_nondet_uchar() [L250] input_162 = __VERIFIER_nondet_uchar() [L251] input_163 = __VERIFIER_nondet_uchar() [L252] input_164 = __VERIFIER_nondet_uchar() [L253] input_165 = __VERIFIER_nondet_uchar() [L254] input_168 = __VERIFIER_nondet_uchar() [L255] input_170 = __VERIFIER_nondet_uchar() [L256] input_172 = __VERIFIER_nondet_uchar() [L257] input_177 = __VERIFIER_nondet_uchar() [L258] input_179 = __VERIFIER_nondet_uchar() [L259] input_181 = __VERIFIER_nondet_uchar() [L260] input_185 = __VERIFIER_nondet_uchar() [L261] input_186 = __VERIFIER_nondet_uchar() [L262] input_189 = __VERIFIER_nondet_uchar() [L263] input_191 = __VERIFIER_nondet_uchar() [L264] input_196 = __VERIFIER_nondet_uchar() [L265] input_198 = __VERIFIER_nondet_uchar() [L266] input_202 = __VERIFIER_nondet_uchar() [L267] input_203 = __VERIFIER_nondet_uchar() [L268] input_206 = __VERIFIER_nondet_uchar() [L269] input_211 = __VERIFIER_nondet_uchar() [L270] input_215 = __VERIFIER_nondet_uchar() [L271] input_216 = __VERIFIER_nondet_uchar() [L272] input_226 = __VERIFIER_nondet_uchar() [L273] input_233 = __VERIFIER_nondet_uchar() [L274] input_234 = __VERIFIER_nondet_uchar() [L275] input_235 = __VERIFIER_nondet_uchar() [L276] input_236 = __VERIFIER_nondet_uchar() [L277] input_237 = __VERIFIER_nondet_uchar() [L278] input_238 = __VERIFIER_nondet_uchar() [L279] input_241 = __VERIFIER_nondet_uchar() [L280] input_243 = __VERIFIER_nondet_uchar() [L281] input_245 = __VERIFIER_nondet_uchar() [L282] input_250 = __VERIFIER_nondet_uchar() [L283] input_252 = __VERIFIER_nondet_uchar() [L284] input_254 = __VERIFIER_nondet_uchar() [L285] input_258 = __VERIFIER_nondet_uchar() [L286] input_259 = __VERIFIER_nondet_uchar() [L287] input_262 = __VERIFIER_nondet_uchar() [L288] input_264 = __VERIFIER_nondet_uchar() [L289] input_269 = __VERIFIER_nondet_uchar() [L290] input_271 = __VERIFIER_nondet_uchar() [L291] input_275 = __VERIFIER_nondet_uchar() [L292] input_276 = __VERIFIER_nondet_uchar() [L293] input_279 = __VERIFIER_nondet_uchar() [L294] input_284 = __VERIFIER_nondet_uchar() [L295] input_288 = __VERIFIER_nondet_uchar() [L296] input_289 = __VERIFIER_nondet_uchar() [L297] input_299 = __VERIFIER_nondet_uchar() [L298] input_306 = __VERIFIER_nondet_uchar() [L299] input_307 = __VERIFIER_nondet_uchar() [L300] input_308 = __VERIFIER_nondet_uchar() [L301] input_309 = __VERIFIER_nondet_uchar() [L302] input_310 = __VERIFIER_nondet_uchar() [L303] input_311 = __VERIFIER_nondet_uchar() [L304] input_314 = __VERIFIER_nondet_uchar() [L305] input_316 = __VERIFIER_nondet_uchar() [L306] input_318 = __VERIFIER_nondet_uchar() [L307] input_323 = __VERIFIER_nondet_uchar() [L308] input_325 = __VERIFIER_nondet_uchar() [L309] input_327 = __VERIFIER_nondet_uchar() [L310] input_331 = __VERIFIER_nondet_uchar() [L311] input_332 = __VERIFIER_nondet_uchar() [L312] input_335 = __VERIFIER_nondet_uchar() [L313] input_337 = __VERIFIER_nondet_uchar() [L314] input_342 = __VERIFIER_nondet_uchar() [L315] input_344 = __VERIFIER_nondet_uchar() [L316] input_348 = __VERIFIER_nondet_uchar() [L317] input_349 = __VERIFIER_nondet_uchar() [L318] input_352 = __VERIFIER_nondet_uchar() [L319] input_357 = __VERIFIER_nondet_uchar() [L320] input_361 = __VERIFIER_nondet_uchar() [L321] input_362 = __VERIFIER_nondet_uchar() [L322] input_372 = __VERIFIER_nondet_uchar() [L323] input_391 = __VERIFIER_nondet_uchar() [L324] input_392 = __VERIFIER_nondet_uchar() [L325] input_393 = __VERIFIER_nondet_uchar() [L328] SORT_7 var_12_arg_0 = state_9; [L329] var_12_arg_0 = var_12_arg_0 & mask_SORT_7 [L330] SORT_11 var_12 = var_12_arg_0; [L331] SORT_11 var_14_arg_0 = var_12; [L332] SORT_11 var_14_arg_1 = var_13; [L333] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L334] SORT_7 var_15_arg_0 = state_9; [L335] var_15_arg_0 = var_15_arg_0 & mask_SORT_7 [L336] SORT_11 var_15 = var_15_arg_0; [L337] SORT_11 var_17_arg_0 = var_15; [L338] SORT_11 var_17_arg_1 = var_16; [L339] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L340] SORT_1 var_18_arg_0 = var_14; [L341] SORT_1 var_18_arg_1 = var_17; [L342] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L343] SORT_7 var_19_arg_0 = state_9; [L344] var_19_arg_0 = var_19_arg_0 & mask_SORT_7 [L345] SORT_11 var_19 = var_19_arg_0; [L346] SORT_11 var_21_arg_0 = var_19; [L347] SORT_11 var_21_arg_1 = var_20; [L348] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L349] SORT_1 var_22_arg_0 = var_18; [L350] SORT_1 var_22_arg_1 = var_21; [L351] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L352] SORT_7 var_23_arg_0 = state_9; [L353] var_23_arg_0 = var_23_arg_0 & mask_SORT_7 [L354] SORT_11 var_23 = var_23_arg_0; [L355] SORT_11 var_25_arg_0 = var_23; [L356] SORT_11 var_25_arg_1 = var_24; [L357] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L358] SORT_1 var_26_arg_0 = var_22; [L359] SORT_1 var_26_arg_1 = var_25; [L360] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L361] SORT_7 var_27_arg_0 = state_9; [L362] var_27_arg_0 = var_27_arg_0 & mask_SORT_7 [L363] SORT_11 var_27 = var_27_arg_0; [L364] SORT_11 var_29_arg_0 = var_27; [L365] SORT_11 var_29_arg_1 = var_28; [L366] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L367] SORT_1 var_30_arg_0 = var_26; [L368] SORT_1 var_30_arg_1 = var_29; [L369] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L370] SORT_1 var_34_arg_0 = var_30; [L371] SORT_1 var_34 = ~var_34_arg_0; [L372] SORT_1 var_35_arg_0 = var_33; [L373] SORT_1 var_35_arg_1 = var_34; [L374] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L375] var_35 = var_35 & mask_SORT_1 [L376] SORT_1 bad_36_arg_0 = var_35; [L377] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:04:37,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de3432be659aeb068d9578abe855cccd372c2dcc53965b366fbb1d4a71898931 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:04:40,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:04:40,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:04:40,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:04:40,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:04:40,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:04:40,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:04:40,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:04:40,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:04:40,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:04:40,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:04:40,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:04:40,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:04:40,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:04:40,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:04:40,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:04:40,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:04:40,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:04:40,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:04:40,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:04:40,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:04:40,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:04:40,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:04:40,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:04:40,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:04:40,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:04:40,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:04:40,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:04:40,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:04:40,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:04:40,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:04:40,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:04:40,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:04:40,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:04:40,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:04:40,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:04:40,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:04:40,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:04:40,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:04:40,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:04:40,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:04:40,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:04:40,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:04:40,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:04:40,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:04:40,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:04:40,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:04:40,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:04:40,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:04:40,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:04:40,353 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:04:40,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:04:40,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:04:40,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:04:40,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:04:40,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:04:40,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:04:40,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:04:40,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:04:40,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:04:40,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:04:40,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:04:40,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:04:40,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:04:40,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:04:40,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:40,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:04:40,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:04:40,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:04:40,357 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:04:40,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:04:40,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:04:40,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:04:40,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:04:40,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:04:40,358 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de3432be659aeb068d9578abe855cccd372c2dcc53965b366fbb1d4a71898931 [2022-11-20 12:04:40,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:04:40,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:04:40,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:04:40,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:04:40,772 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:04:40,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2022-11-20 12:04:43,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:04:44,211 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:04:44,212 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2022-11-20 12:04:44,234 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/c0d41df64/405322323e26484eaac571dfc136d9d3/FLAGf1116c8d9 [2022-11-20 12:04:44,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/data/c0d41df64/405322323e26484eaac571dfc136d9d3 [2022-11-20 12:04:44,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:04:44,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:04:44,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:44,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:04:44,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:04:44,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:44" (1/1) ... [2022-11-20 12:04:44,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4112af93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:44, skipping insertion in model container [2022-11-20 12:04:44,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:44" (1/1) ... [2022-11-20 12:04:44,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:04:44,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:44,561 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_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1107,1120] [2022-11-20 12:04:44,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:44,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:04:44,868 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_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1107,1120] [2022-11-20 12:04:45,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:45,064 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:04:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45 WrapperNode [2022-11-20 12:04:45,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:45,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:45,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:04:45,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:04:45,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,240 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2022-11-20 12:04:45,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:45,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:04:45,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:04:45,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:04:45,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:04:45,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:04:45,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:04:45,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:04:45,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (1/1) ... [2022-11-20 12:04:45,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:45,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:45,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:04:45,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:04:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:04:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:04:45,852 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:04:45,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:04:47,207 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:47,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:47,214 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:04:47,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:47 BoogieIcfgContainer [2022-11-20 12:04:47,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:47,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:47,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:47,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:47,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:04:44" (1/3) ... [2022-11-20 12:04:47,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1044f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:47, skipping insertion in model container [2022-11-20 12:04:47,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:45" (2/3) ... [2022-11-20 12:04:47,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1044f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:47, skipping insertion in model container [2022-11-20 12:04:47,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:47" (3/3) ... [2022-11-20 12:04:47,225 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2022-11-20 12:04:47,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:47,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:04:47,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:47,306 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;@6abaf2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:47,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:04:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:04:47,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:47,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:04:47,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:47,326 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 12:04:47,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:47,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050810083] [2022-11-20 12:04:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:47,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:47,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:47,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:47,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:04:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:47,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 12:04:47,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:48,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:48,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:48,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050810083] [2022-11-20 12:04:48,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050810083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:48,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:48,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:04:48,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28179291] [2022-11-20 12:04:48,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:48,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:04:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:48,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:04:48,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:48,105 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:48,426 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 12:04:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:04:48,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 12:04:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:48,438 INFO L225 Difference]: With dead ends: 20 [2022-11-20 12:04:48,438 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 12:04:48,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:04:48,451 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:48,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:04:48,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 12:04:48,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 12:04:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 12:04:48,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 12:04:48,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:48,490 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 12:04:48,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 12:04:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 12:04:48,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:48,492 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:48,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:48,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:48,715 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:48,716 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 12:04:48,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:48,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535403432] [2022-11-20 12:04:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:48,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:48,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:48,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:04:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:49,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 12:04:49,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:49,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:50,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:50,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535403432] [2022-11-20 12:04:50,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535403432] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:50,954 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:04:50,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:04:50,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779339271] [2022-11-20 12:04:50,955 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:50,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:04:50,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:50,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:04:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:04:50,957 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) [2022-11-20 12:04:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:51,167 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 12:04:51,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:04:51,169 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 [2022-11-20 12:04:51,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:51,169 INFO L225 Difference]: With dead ends: 16 [2022-11-20 12:04:51,169 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 12:04:51,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:51,171 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:51,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 7 Unchecked, 0.2s Time] [2022-11-20 12:04:51,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 12:04:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 12:04:51,175 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) [2022-11-20 12:04:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 12:04:51,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 12:04:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:51,176 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 12:04:51,176 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) [2022-11-20 12:04:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 12:04:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:04:51,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:51,177 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 12:04:51,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:51,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:51,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:51,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 12:04:51,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:51,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879071317] [2022-11-20 12:04:51,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:04:51,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:51,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:51,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:51,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:04:52,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:04:52,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:52,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-20 12:04:52,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:53,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:07,798 WARN L233 SmtUtils]: Spent 10.40s on a formula simplification. DAG size of input: 183 DAG size of output: 150 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 12:05:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:07,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:07,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879071317] [2022-11-20 12:05:07,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879071317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:05:07,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:05:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-20 12:05:07,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620842592] [2022-11-20 12:05:07,986 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:05:07,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 12:05:07,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:07,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 12:05:07,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:05:07,988 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:08,453 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-20 12:05:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:05:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 12:05:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:08,454 INFO L225 Difference]: With dead ends: 19 [2022-11-20 12:05:08,454 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 12:05:08,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:05:08,456 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:08,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 16 Unchecked, 0.3s Time] [2022-11-20 12:05:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 12:05:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-20 12:05:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 12:05:08,462 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-20 12:05:08,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:08,463 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 12:05:08,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-20 12:05:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:05:08,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:08,464 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-20 12:05:08,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:08,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:08,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:08,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:08,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-20 12:05:08,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:08,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011003684] [2022-11-20 12:05:08,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:05:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:08,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:08,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:08,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:05:10,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 12:05:10,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:05:10,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-20 12:05:10,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:11,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:18,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:18,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011003684] [2022-11-20 12:05:18,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011003684] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:05:18,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:05:18,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 12:05:18,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225706905] [2022-11-20 12:05:18,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:05:18,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:05:18,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:18,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:05:18,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:05:18,385 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:19,002 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-20 12:05:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:05:19,003 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 12:05:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:19,003 INFO L225 Difference]: With dead ends: 22 [2022-11-20 12:05:19,004 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 12:05:19,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:05:19,005 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:19,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 38 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 39 Unchecked, 0.4s Time] [2022-11-20 12:05:19,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 12:05:19,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-20 12:05:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-20 12:05:19,026 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-11-20 12:05:19,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:19,028 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-20 12:05:19,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-20 12:05:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 12:05:19,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:19,031 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-20 12:05:19,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:19,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:19,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 4 times [2022-11-20 12:05:19,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:19,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617581670] [2022-11-20 12:05:19,246 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:05:19,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:19,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:19,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:19,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:05:20,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:05:20,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:05:21,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 4554 conjuncts, 196 conjunts are in the unsatisfiable core [2022-11-20 12:05:21,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:23,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:06:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:06:29,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:29,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617581670] [2022-11-20 12:06:29,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617581670] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:06:29,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:06:29,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 12:06:29,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241571847] [2022-11-20 12:06:29,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:06:29,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:06:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:06:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:06:29,941 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:30,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:30,951 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-11-20 12:06:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:06:30,952 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-20 12:06:30,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:30,952 INFO L225 Difference]: With dead ends: 25 [2022-11-20 12:06:30,953 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:06:30,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2022-11-20 12:06:30,954 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 31 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:30,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 39 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 44 Unchecked, 0.5s Time] [2022-11-20 12:06:30,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:06:30,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-20 12:06:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-20 12:06:30,963 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2022-11-20 12:06:30,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:30,963 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-20 12:06:30,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-20 12:06:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 12:06:30,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:30,964 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-20 12:06:30,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:31,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:31,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:31,166 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 5 times [2022-11-20 12:06:31,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:31,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506462806] [2022-11-20 12:06:31,169 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:06:31,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:31,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:31,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:31,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:06:33,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-20 12:06:33,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:06:33,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 5638 conjuncts, 172 conjunts are in the unsatisfiable core [2022-11-20 12:06:33,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:06:35,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:06:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:06:45,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:45,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506462806] [2022-11-20 12:06:45,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506462806] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:06:45,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:06:45,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2022-11-20 12:06:45,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944803165] [2022-11-20 12:06:45,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:06:45,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 12:06:45,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:45,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 12:06:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2022-11-20 12:06:45,649 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:47,039 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2022-11-20 12:06:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:06:47,040 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 12:06:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:47,041 INFO L225 Difference]: With dead ends: 26 [2022-11-20 12:06:47,041 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 12:06:47,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:06:47,042 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 23 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:47,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 22 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 51 Unchecked, 0.3s Time] [2022-11-20 12:06:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 12:06:47,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-20 12:06:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-20 12:06:47,052 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2022-11-20 12:06:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:47,053 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-11-20 12:06:47,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:06:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-20 12:06:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:06:47,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:47,054 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1] [2022-11-20 12:06:47,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:47,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:47,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 142558665, now seen corresponding path program 6 times [2022-11-20 12:06:47,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:47,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727877037] [2022-11-20 12:06:47,259 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 12:06:47,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:47,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:47,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:06:49,566 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-11-20 12:06:49,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:06:49,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 5638 conjuncts, 241 conjunts are in the unsatisfiable core [2022-11-20 12:06:49,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 12:07:03,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:09:32,999 WARN L233 SmtUtils]: Spent 40.65s on a formula simplification. DAG size of input: 1224 DAG size of output: 475 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 12:10:56,223 WARN L233 SmtUtils]: Spent 22.61s on a formula simplification. DAG size of input: 828 DAG size of output: 538 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 12:11:22,897 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 566 DAG size of output: 365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 12:11:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 12:11:38,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:11:38,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727877037] [2022-11-20 12:11:38,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727877037] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:11:38,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:11:38,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-11-20 12:11:38,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722724185] [2022-11-20 12:11:38,144 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:11:38,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 12:11:38,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:11:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 12:11:38,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-11-20 12:11:38,146 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:11:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:11:40,797 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-11-20 12:11:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:11:40,798 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-20 12:11:40,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:11:40,798 INFO L225 Difference]: With dead ends: 24 [2022-11-20 12:11:40,798 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:11:40,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 81.0s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:11:40,800 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 64 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:11:40,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 64 Unchecked, 0.1s Time] [2022-11-20 12:11:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:11:40,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:11:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:11:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:11:40,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-20 12:11:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:11:40,802 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:11:40,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:11:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:11:40,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:11:40,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:11:40,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:11:41,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:11:41,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:11:42,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:11:42,314 INFO L895 garLoopResultBuilder]: At program point L1324(lines 22 1325) the Hoare annotation is: false [2022-11-20 12:11:42,314 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:11:42,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:11:42,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:11:42,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 12:11:42,316 INFO L895 garLoopResultBuilder]: At program point L216-2(lines 216 1323) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~var_400~0#1| (_ bv2 8))) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= (_ bv4 8) |ULTIMATE.start_main_~var_397~0#1|)) (.cse4 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (.cse5 (= (_ bv1 8) |ULTIMATE.start_main_~var_33~0#1|)) (.cse6 (= |ULTIMATE.start_main_~var_8~0#1| (_ bv0 8))) (.cse7 (= (_ bv1 8) |ULTIMATE.start_main_~var_71~0#1|)) (.cse8 (= (_ bv2 8) |ULTIMATE.start_main_~var_154~0#1|)) (.cse9 (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~state_9~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_7~0#1|)))))) (or (= .cse22 |ULTIMATE.start_main_~var_16~0#1|) (= .cse22 |ULTIMATE.start_main_~var_24~0#1|) (= .cse22 |ULTIMATE.start_main_~var_28~0#1|) (= .cse22 |ULTIMATE.start_main_~var_13~0#1|) (= .cse22 |ULTIMATE.start_main_~var_20~0#1|)))) (.cse10 (= (_ bv8 32) |ULTIMATE.start_main_~var_16~0#1|)) (.cse11 (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_7~0#1|)) (.cse12 (= |ULTIMATE.start_main_~var_68~0#1| (_ bv0 8))) (.cse13 (= |ULTIMATE.start_main_~var_28~0#1| (_ bv1 32))) (.cse15 (= (_ bv1 8) |ULTIMATE.start_main_~var_401~0#1|)) (.cse16 (= (_ bv2 32) |ULTIMATE.start_main_~var_24~0#1|)) (.cse17 (= (_ bv8 8) |ULTIMATE.start_main_~var_394~0#1|)) (.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_67~0#1|)) (.cse18 (= |ULTIMATE.start_main_~var_13~0#1| (_ bv0 32))) (.cse19 (= (_ bv4 32) |ULTIMATE.start_main_~var_20~0#1|)) (.cse20 (= |ULTIMATE.start_main_~mask_SORT_67~0#1| (_ bv3 8)))) (or (and (exists ((|ULTIMATE.start_main_~var_73_arg_1~0#1| (_ BitVec 8))) (let ((.cse0 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_73_arg_1~0#1|)))) (and (= |ULTIMATE.start_main_~state_9~0#1| .cse0) (= .cse0 |ULTIMATE.start_main_~state_56~0#1|)))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_154~0#1|))))))) |ULTIMATE.start_main_~state_69~0#1|) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse1 .cse2 (= (_ bv7 8) |ULTIMATE.start_main_~var_81~0#1|) .cse3 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~var_8~0#1| |ULTIMATE.start_main_~state_56~0#1|) (= (_ bv2 8) |ULTIMATE.start_main_~var_123~0#1|) (= |ULTIMATE.start_main_~state_9~0#1| (_ bv0 8)) .cse8 .cse10 .cse11 (= (_ bv0 8) |ULTIMATE.start_main_~state_39~0#1|) .cse12 .cse13 .cse15 .cse16 .cse17 (= (_ bv1 8) |ULTIMATE.start_main_~var_104~0#1|) (= |ULTIMATE.start_main_~var_68~0#1| |ULTIMATE.start_main_~state_69~0#1|) .cse18 .cse19 .cse20) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (or (= (_ bv8 8) |ULTIMATE.start_main_~state_56~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_56~0#1|) (= (_ bv2 8) |ULTIMATE.start_main_~state_56~0#1|) (exists ((|ULTIMATE.start_main_~var_73_arg_1~0#1| (_ BitVec 8))) (let ((.cse21 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_73_arg_1~0#1|)))))) (and (= |ULTIMATE.start_main_~state_9~0#1| .cse21) (= |ULTIMATE.start_main_~state_56~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse21)))))))) (= (_ bv1 8) |ULTIMATE.start_main_~state_56~0#1|) (= (_ bv4 8) |ULTIMATE.start_main_~state_56~0#1|)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 (= ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_71~0#1|))))))) |ULTIMATE.start_main_~state_69~0#1|) .cse18 .cse19 .cse20))) [2022-11-20 12:11:42,316 INFO L899 garLoopResultBuilder]: For program point L216-3(lines 216 1323) no Hoare annotation was computed. [2022-11-20 12:11:42,316 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 12:11:42,316 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-20 12:11:42,316 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-20 12:11:42,320 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1] [2022-11-20 12:11:42,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:11:42,329 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,329 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,330 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,330 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,349 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:11:42 BoogieIcfgContainer [2022-11-20 12:11:42,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:11:42,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:11:42,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:11:42,353 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:11:42,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:47" (3/4) ... [2022-11-20 12:11:42,356 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:11:42,389 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:11:42,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:11:42,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:11:42,421 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((\exists ULTIMATE.start_main_~var_73_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0] == state_56) && var_400 == 2bv8) && 1bv8 == mask_SORT_1) && 4bv8 == var_397) && cond == 1bv32) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && 2bv8 == var_154) && ((((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_16 || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_24) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_28) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_13) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_20)) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && var_68 == 0bv8) && var_28 == 1bv32) && ~bvand32(~zero_extendFrom8To32(mask_SORT_67), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_154)[7:0])[7:0]))[7:0] == state_69) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8) || (((((((((((((((((((((((var_400 == 2bv8 && 1bv8 == mask_SORT_1) && 7bv8 == var_81) && 4bv8 == var_397) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && var_8 == state_56) && 2bv8 == var_123) && state_9 == 0bv8) && 2bv8 == var_154) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && 0bv8 == state_39) && var_68 == 0bv8) && var_28 == 1bv32) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && 1bv8 == var_104) && var_68 == state_69) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8)) || ((((((((((((((((((((var_400 == 2bv8 && 1bv8 == mask_SORT_1) && 4bv8 == var_397) && cond == 1bv32) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && (((((8bv8 == state_56 || 0bv8 == state_56) || 2bv8 == state_56) || (\exists ULTIMATE.start_main_~var_73_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0])[7:0] && state_56 == ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])) || 1bv8 == state_56) || 4bv8 == state_56)) && 2bv8 == var_154) && ((((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_16 || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_24) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_28) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_13) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_20)) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && var_68 == 0bv8) && var_28 == 1bv32) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && ~bvand32(~zero_extendFrom8To32(mask_SORT_67), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_71)[7:0])[7:0]))[7:0] == state_69) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8) [2022-11-20 12:11:42,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:11:42,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:11:42,521 INFO L158 Benchmark]: Toolchain (without parser) took 418262.72ms. Allocated memory was 69.2MB in the beginning and 1.1GB in the end (delta: 1.1GB). Free memory was 42.3MB in the beginning and 741.4MB in the end (delta: -699.1MB). Peak memory consumption was 355.1MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,521 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:11:42,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.70ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 57.2MB in the end (delta: -15.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.40ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 47.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,522 INFO L158 Benchmark]: Boogie Preprocessor took 72.50ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 41.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,522 INFO L158 Benchmark]: RCFGBuilder took 1901.10ms. Allocated memory is still 90.2MB. Free memory was 41.3MB in the beginning and 31.9MB in the end (delta: 9.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,523 INFO L158 Benchmark]: TraceAbstraction took 415134.20ms. Allocated memory was 90.2MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 31.4MB in the beginning and 759.8MB in the end (delta: -728.3MB). Peak memory consumption was 305.6MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,523 INFO L158 Benchmark]: Witness Printer took 167.84ms. Allocated memory is still 1.1GB. Free memory was 759.8MB in the beginning and 741.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:11:42,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.70ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 57.2MB in the end (delta: -15.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.40ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 47.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.50ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 41.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1901.10ms. Allocated memory is still 90.2MB. Free memory was 41.3MB in the beginning and 31.9MB in the end (delta: 9.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 415134.20ms. Allocated memory was 90.2MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 31.4MB in the beginning and 759.8MB in the end (delta: -728.3MB). Peak memory consumption was 305.6MB. Max. memory is 16.1GB. * Witness Printer took 167.84ms. Allocated memory is still 1.1GB. Free memory was 759.8MB in the beginning and 741.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] * 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 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 415.0s, OverallIterations: 7, TraceHistogramMax: 7, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 197 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 221 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 31 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 106 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 119.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=6, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 10 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 349 HoareAnnotationTreeSize, 2 FomulaSimplifications, 640 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1274 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.4s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 394.9s InterpolantComputationTime, 98 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 178 ConstructedInterpolants, 80 QuantifiedInterpolants, 139477 SizeOfPredicates, 925 NumberOfNonLiveVariables, 23206 ConjunctsInSsa, 869 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 42/294 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 216]: Loop Invariant [2022-11-20 12:11:42,533 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,533 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,533 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,534 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,535 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,536 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,536 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] [2022-11-20 12:11:42,536 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_73_arg_1~0#1,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((\exists ULTIMATE.start_main_~var_73_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0] == state_56) && var_400 == 2bv8) && 1bv8 == mask_SORT_1) && 4bv8 == var_397) && cond == 1bv32) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && 2bv8 == var_154) && ((((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_16 || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_24) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_28) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_13) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_20)) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && var_68 == 0bv8) && var_28 == 1bv32) && ~bvand32(~zero_extendFrom8To32(mask_SORT_67), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_154)[7:0])[7:0]))[7:0] == state_69) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8) || (((((((((((((((((((((((var_400 == 2bv8 && 1bv8 == mask_SORT_1) && 7bv8 == var_81) && 4bv8 == var_397) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && var_8 == state_56) && 2bv8 == var_123) && state_9 == 0bv8) && 2bv8 == var_154) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && 0bv8 == state_39) && var_68 == 0bv8) && var_28 == 1bv32) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && 1bv8 == var_104) && var_68 == state_69) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8)) || ((((((((((((((((((((var_400 == 2bv8 && 1bv8 == mask_SORT_1) && 4bv8 == var_397) && cond == 1bv32) && 1bv8 == var_33) && var_8 == 0bv8) && 1bv8 == var_71) && (((((8bv8 == state_56 || 0bv8 == state_56) || 2bv8 == state_56) || (\exists ULTIMATE.start_main_~var_73_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0])[7:0] && state_56 == ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_73_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])) || 1bv8 == state_56) || 4bv8 == state_56)) && 2bv8 == var_154) && ((((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_16 || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_24) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_28) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_13) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_9), ~zero_extendFrom8To32(mask_SORT_7))[7:0]) == var_20)) && 8bv32 == var_16) && 15bv8 == mask_SORT_7) && var_68 == 0bv8) && var_28 == 1bv32) && 1bv8 == var_401) && 2bv32 == var_24) && 8bv8 == var_394) && ~bvand32(~zero_extendFrom8To32(mask_SORT_67), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_71)[7:0])[7:0]))[7:0] == state_69) && var_13 == 0bv32) && 4bv32 == var_20) && mask_SORT_67 == 3bv8) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:11:42,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5db961e9-e0b9-4d5e-b526-d1fb73f0451f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE