./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:40:50,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:40:50,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:40:50,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:40:50,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:40:50,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:40:50,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:40:50,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:40:50,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:40:50,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:40:50,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:40:51,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:40:51,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:40:51,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:40:51,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:40:51,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:40:51,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:40:51,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:40:51,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:40:51,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:40:51,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:40:51,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:40:51,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:40:51,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:40:51,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:40:51,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:40:51,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:40:51,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:40:51,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:40:51,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:40:51,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:40:51,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:40:51,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:40:51,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:40:51,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:40:51,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:40:51,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:40:51,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:40:51,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:40:51,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:40:51,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:40:51,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:40:51,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:40:51,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:40:51,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:40:51,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:40:51,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:40:51,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:40:51,116 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:40:51,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:40:51,117 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:40:51,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:40:51,118 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:40:51,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:40:51,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:40:51,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:40:51,120 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:40:51,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:40:51,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:40:51,121 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:40:51,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:40:51,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:40:51,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:40:51,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:40:51,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:40:51,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:40:51,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:40:51,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:40:51,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:40:51,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:40:51,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:40:51,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:40:51,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:40:51,126 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:40:51,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:40:51,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:40:51,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:40:51,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:40:51,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:40:51,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:40:51,127 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_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 [2022-11-16 19:40:51,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:40:51,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:40:51,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:40:51,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:40:51,580 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:40:51,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:51,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/2e4831ebe/5632c5e7178b495584681fa20761fff6/FLAG467b7d5cf [2022-11-16 19:40:52,227 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:40:52,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:52,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/2e4831ebe/5632c5e7178b495584681fa20761fff6/FLAG467b7d5cf [2022-11-16 19:40:52,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/2e4831ebe/5632c5e7178b495584681fa20761fff6 [2022-11-16 19:40:52,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:40:52,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:40:52,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:40:52,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:40:52,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:40:52,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:52" (1/1) ... [2022-11-16 19:40:52,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749999db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:52, skipping insertion in model container [2022-11-16 19:40:52,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:52" (1/1) ... [2022-11-16 19:40:52,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:40:52,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:40:52,836 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 19:40:52,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:40:52,928 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:40:52,945 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 19:40:53,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:40:53,020 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:40:53,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53 WrapperNode [2022-11-16 19:40:53,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:40:53,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:40:53,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:40:53,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:40:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,076 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2022-11-16 19:40:53,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:40:53,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:40:53,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:40:53,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:40:53,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,144 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:40:53,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:40:53,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:40:53,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:40:53,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (1/1) ... [2022-11-16 19:40:53,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:40:53,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:40:53,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:40:53,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:40:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:40:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:40:53,346 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:40:53,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:40:53,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:40:53,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:40:53,866 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:40:53,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:53 BoogieIcfgContainer [2022-11-16 19:40:53,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:40:53,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:40:53,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:40:53,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:40:53,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:40:52" (1/3) ... [2022-11-16 19:40:53,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637efc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:53, skipping insertion in model container [2022-11-16 19:40:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:53" (2/3) ... [2022-11-16 19:40:53,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637efc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:53, skipping insertion in model container [2022-11-16 19:40:53,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:53" (3/3) ... [2022-11-16 19:40:53,886 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:53,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:40:53,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:40:53,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:40:53,989 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=FINITE_AUTOMATA, 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;@11ac8b7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:40:53,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:40:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:40:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:40:54,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:40:54,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:40:54,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:40:54,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:40:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash 3342967, now seen corresponding path program 1 times [2022-11-16 19:40:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:40:54,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754172059] [2022-11-16 19:40:54,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:40:54,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:40:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:40:54,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:40:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:40:54,359 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:40:54,361 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:40:54,362 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 19:40:54,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:40:54,369 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 19:40:54,374 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:40:54,402 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 19:40:54,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:40:54 BoogieIcfgContainer [2022-11-16 19:40:54,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:40:54,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:40:54,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:40:54,418 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:40:54,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:53" (3/4) ... [2022-11-16 19:40:54,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 19:40:54,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:40:54,426 INFO L158 Benchmark]: Toolchain (without parser) took 1862.73ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 55.9MB in the beginning and 70.8MB in the end (delta: -14.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,426 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:40:54,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.29ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 65.8MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.58ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 63.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,430 INFO L158 Benchmark]: Boogie Preprocessor took 63.02ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,435 INFO L158 Benchmark]: RCFGBuilder took 720.96ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 61.9MB in the beginning and 94.8MB in the end (delta: -32.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,437 INFO L158 Benchmark]: TraceAbstraction took 543.41ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 71.8MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 19:40:54,438 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 938.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:40:54,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.29ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 65.8MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.58ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 63.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.02ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 720.96ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 61.9MB in the beginning and 94.8MB in the end (delta: -32.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 543.41ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 71.8MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 938.0kB). 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 116, overapproximation of bitwiseOr at line 125, overapproximation of bitwiseAnd at line 110. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4); [L35] const SORT_32 msb_SORT_32 = (SORT_32)1 << (4 - 1); [L37] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); [L38] const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 1; [L42] const SORT_1 var_22 = 1; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_1 input_28; [L49] SORT_1 input_30; [L50] SORT_32 input_33; [L51] SORT_1 input_35; [L52] SORT_32 input_37; [L53] SORT_1 input_39; [L54] SORT_1 input_41; [L55] SORT_1 input_43; [L56] SORT_1 input_45; [L57] SORT_1 input_47; [L58] SORT_1 input_49; [L59] SORT_1 input_51; [L60] SORT_3 input_53; [L61] SORT_1 input_56; [L62] SORT_1 input_58; [L63] SORT_1 input_60; [L64] SORT_1 input_62; [L65] SORT_1 input_64; [L66] SORT_1 input_66; [L67] SORT_68 input_69; [L68] SORT_1 input_71; [L70] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 init_9_arg_1 = var_7; [L75] state_8 = init_9_arg_1 [L76] SORT_1 init_16_arg_1 = var_7; [L77] state_15 = init_16_arg_1 [L78] SORT_1 init_27_arg_1 = var_7; [L79] state_26 = init_27_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_12=1, var_22=1, var_7=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_5 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_28 = __VERIFIER_nondet_uchar() [L87] input_30 = __VERIFIER_nondet_uchar() [L88] input_33 = __VERIFIER_nondet_uchar() [L89] input_35 = __VERIFIER_nondet_uchar() [L90] input_37 = __VERIFIER_nondet_uchar() [L91] input_39 = __VERIFIER_nondet_uchar() [L92] input_41 = __VERIFIER_nondet_uchar() [L93] input_43 = __VERIFIER_nondet_uchar() [L94] input_45 = __VERIFIER_nondet_uchar() [L95] input_47 = __VERIFIER_nondet_uchar() [L96] input_49 = __VERIFIER_nondet_uchar() [L97] input_51 = __VERIFIER_nondet_uchar() [L98] input_53 = __VERIFIER_nondet_uchar() [L99] input_56 = __VERIFIER_nondet_uchar() [L100] input_58 = __VERIFIER_nondet_uchar() [L101] input_60 = __VERIFIER_nondet_uchar() [L102] input_62 = __VERIFIER_nondet_uchar() [L103] input_64 = __VERIFIER_nondet_uchar() [L104] input_66 = __VERIFIER_nondet_uchar() [L105] input_69 = __VERIFIER_nondet_ushort() [L106] input_71 = __VERIFIER_nondet_uchar() [L109] SORT_1 var_11_arg_0 = state_8; [L110] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L111] SORT_10 var_11 = var_11_arg_0; [L112] SORT_10 var_13_arg_0 = var_11; [L113] SORT_10 var_13_arg_1 = var_12; [L114] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L115] SORT_1 var_14_arg_0 = var_13; [L116] SORT_1 var_14 = ~var_14_arg_0; [L117] SORT_1 var_17_arg_0 = state_15; [L118] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L119] SORT_10 var_17 = var_17_arg_0; [L120] SORT_10 var_18_arg_0 = var_17; [L121] SORT_10 var_18_arg_1 = var_12; [L122] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L123] SORT_1 var_19_arg_0 = var_14; [L124] SORT_1 var_19_arg_1 = var_18; [L125] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L126] SORT_1 var_23_arg_0 = var_19; [L127] SORT_1 var_23 = ~var_23_arg_0; [L128] SORT_1 var_24_arg_0 = var_22; [L129] SORT_1 var_24_arg_1 = var_23; [L130] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L131] var_24 = var_24 & mask_SORT_1 [L132] SORT_1 bad_25_arg_0 = var_24; [L133] CALL __VERIFIER_assert(!(bad_25_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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 [2022-11-16 19:40:54,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:40:56,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:40:56,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:40:56,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:40:56,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:40:56,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:40:56,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:40:56,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:40:56,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:40:56,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:40:56,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:40:56,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:40:56,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:40:56,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:40:56,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:40:56,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:40:56,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:40:56,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:40:56,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:40:56,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:40:57,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:40:57,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:40:57,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:40:57,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:40:57,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:40:57,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:40:57,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:40:57,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:40:57,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:40:57,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:40:57,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:40:57,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:40:57,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:40:57,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:40:57,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:40:57,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:40:57,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:40:57,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:40:57,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:40:57,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:40:57,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:40:57,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 19:40:57,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:40:57,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:40:57,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:40:57,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:40:57,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:40:57,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:40:57,078 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:40:57,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:40:57,079 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:40:57,079 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:40:57,080 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:40:57,080 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:40:57,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:40:57,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:40:57,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:40:57,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:40:57,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:40:57,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:40:57,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:40:57,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:40:57,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:40:57,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:40:57,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:40:57,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:40:57,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:40:57,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:40:57,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:40:57,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:40:57,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:40:57,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:40:57,085 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:40:57,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:40:57,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:40:57,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:40:57,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:40:57,086 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_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 [2022-11-16 19:40:57,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:40:57,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:40:57,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:40:57,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:40:57,529 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:40:57,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:57,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/bad2ac534/f5d811412c844cae85c136517150a353/FLAGc659b9894 [2022-11-16 19:40:58,152 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:40:58,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:58,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/bad2ac534/f5d811412c844cae85c136517150a353/FLAGc659b9894 [2022-11-16 19:40:58,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/data/bad2ac534/f5d811412c844cae85c136517150a353 [2022-11-16 19:40:58,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:40:58,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:40:58,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:40:58,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:40:58,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:40:58,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:58,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4264508a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58, skipping insertion in model container [2022-11-16 19:40:58,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:58,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:40:58,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:40:58,653 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 19:40:58,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:40:58,784 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:40:58,823 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 19:40:58,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:40:58,917 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:40:58,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58 WrapperNode [2022-11-16 19:40:58,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:40:58,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:40:58,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:40:58,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:40:58,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:58,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:58,968 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2022-11-16 19:40:58,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:40:58,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:40:58,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:40:58,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:40:58,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:58,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,029 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:40:59,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:40:59,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:40:59,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:40:59,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (1/1) ... [2022-11-16 19:40:59,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:40:59,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:40:59,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:40:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:40:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:40:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:40:59,283 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:40:59,285 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:40:59,512 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:40:59,519 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:40:59,519 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:40:59,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:59 BoogieIcfgContainer [2022-11-16 19:40:59,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:40:59,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:40:59,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:40:59,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:40:59,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:40:58" (1/3) ... [2022-11-16 19:40:59,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e378929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:59, skipping insertion in model container [2022-11-16 19:40:59,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:58" (2/3) ... [2022-11-16 19:40:59,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e378929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:59, skipping insertion in model container [2022-11-16 19:40:59,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:59" (3/3) ... [2022-11-16 19:40:59,529 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 19:40:59,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:40:59,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:40:59,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:40:59,664 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=FINITE_AUTOMATA, 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;@2d7fb911, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:40:59,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:40:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:40:59,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:40:59,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:40:59,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:40:59,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:40:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:40:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 19:40:59,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 19:40:59,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995598240] [2022-11-16 19:40:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:40:59,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 19:40:59,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 19:40:59,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 19:40:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 19:40:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:40:59,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 19:40:59,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:41:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:41:00,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:41:00,169 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 19:41:00,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995598240] [2022-11-16 19:41:00,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995598240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:00,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:00,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:41:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74870902] [2022-11-16 19:41:00,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:00,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:41:00,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 19:41:00,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:41:00,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:41:00,216 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:41:00,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:41:00,301 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-16 19:41:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:41:00,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 19:41:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:41:00,322 INFO L225 Difference]: With dead ends: 15 [2022-11-16 19:41:00,322 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:41:00,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:00,328 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:41:00,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:41:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:41:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:41:00,356 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) [2022-11-16 19:41:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:41:00,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-16 19:41:00,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:41:00,359 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:41:00,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:41:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:41:00,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:41:00,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 19:41:00,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:41:00,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 19:41:00,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 19:41:00,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 19:41:00,621 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 19:41:00,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 19:41:00,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 19:41:00,622 INFO L895 garLoopResultBuilder]: At program point L156(lines 22 157) the Hoare annotation is: false [2022-11-16 19:41:00,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 19:41:00,622 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 19:41:00,622 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 19:41:00,622 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 19:41:00,623 INFO L895 garLoopResultBuilder]: At program point L80-2(lines 80 155) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8))) [2022-11-16 19:41:00,623 INFO L899 garLoopResultBuilder]: For program point L80-3(lines 80 155) no Hoare annotation was computed. [2022-11-16 19:41:00,626 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 19:41:00,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:41:00,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:41:00 BoogieIcfgContainer [2022-11-16 19:41:00,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:41:00,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:41:00,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:41:00,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:41:00,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:40:59" (3/4) ... [2022-11-16 19:41:00,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:41:00,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 19:41:00,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 19:41:00,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:41:00,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:41:00,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:41:00,713 INFO L158 Benchmark]: Toolchain (without parser) took 2241.18ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 41.1MB in the end (delta: 4.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,713 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:41:00,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.53ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 47.7MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.06ms. Allocated memory is still 65.0MB. Free memory was 47.7MB in the beginning and 45.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,714 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 44.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:41:00,715 INFO L158 Benchmark]: RCFGBuilder took 487.49ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 30.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,715 INFO L158 Benchmark]: TraceAbstraction took 1119.23ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 44.8MB in the end (delta: -14.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,715 INFO L158 Benchmark]: Witness Printer took 69.52ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 41.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 19:41:00,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.53ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 47.7MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.06ms. Allocated memory is still 65.0MB. Free memory was 47.7MB in the beginning and 45.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 44.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.49ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 30.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1119.23ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 44.8MB in the end (delta: -14.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 69.52ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 41.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 22 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-11-16 19:41:00,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cc6711-1f69-48ce-8511-442f23ccc485/bin/utaipan-Xvt2sAort0/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