./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8 --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 32bit --witnessprinter.graph.data.programhash 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8 --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 32bit --witnessprinter.graph.data.programhash 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:36:11,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:36:11,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:36:11,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:36:11,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:36:11,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:36:11,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:36:11,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:36:11,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:36:11,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:36:11,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:36:11,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:36:11,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:36:11,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:36:11,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:36:11,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:36:11,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:36:11,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:36:11,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:36:11,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:36:11,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:36:11,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:36:11,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:36:11,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:36:11,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:36:11,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:36:11,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:36:11,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:36:11,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:36:11,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:36:11,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:36:11,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:36:11,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:36:11,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:36:11,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:36:11,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:36:11,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:36:11,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:36:11,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:36:11,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:36:11,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:36:11,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:36:11,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:36:11,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:36:11,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:36:11,358 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:36:11,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:36:11,359 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:36:11,359 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:36:11,360 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:36:11,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:36:11,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:36:11,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:36:11,370 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:36:11,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:36:11,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:36:11,371 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:36:11,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:36:11,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:36:11,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:36:11,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:36:11,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:36:11,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:36:11,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:36:11,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:36:11,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:36:11,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:36:11,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:36:11,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:36:11,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:36:11,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:36:11,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:36:11,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:11,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:36:11,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:36:11,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:36:11,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:36:11,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:36:11,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:36:11,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:36:11,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:36:11,382 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2021-10-13 07:36:11,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:36:11,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:36:11,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:36:11,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:36:11,773 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:36:11,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 07:36:11,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/1d15ee32d/066980f1a1c945a29f2aa21bb8920157/FLAG2ae4345ba [2021-10-13 07:36:12,432 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:36:12,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 07:36:12,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/1d15ee32d/066980f1a1c945a29f2aa21bb8920157/FLAG2ae4345ba [2021-10-13 07:36:12,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/1d15ee32d/066980f1a1c945a29f2aa21bb8920157 [2021-10-13 07:36:12,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:36:12,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:36:12,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:12,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:36:12,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:36:12,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:12" (1/1) ... [2021-10-13 07:36:12,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddbd384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:12, skipping insertion in model container [2021-10-13 07:36:12,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:12" (1/1) ... [2021-10-13 07:36:12,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:36:12,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:36:13,056 WARN L228 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_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 07:36:13,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:36:13,095 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:36:13,120 WARN L228 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_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 07:36:13,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:36:13,149 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:36:13,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13 WrapperNode [2021-10-13 07:36:13,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:13,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:36:13,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:36:13,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:36:13,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:36:13,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:36:13,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:36:13,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:36:13,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:36:13,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:36:13,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:36:13,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:36:13,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (1/1) ... [2021-10-13 07:36:13,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:36:13,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:36:13,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:36:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:36:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:36:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:36:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:36:13,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:36:13,943 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-10-13 07:36:13,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:13 BoogieIcfgContainer [2021-10-13 07:36:13,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:36:13,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:36:13,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:36:13,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:36:13,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:36:12" (1/3) ... [2021-10-13 07:36:13,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53db047d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:13, skipping insertion in model container [2021-10-13 07:36:13,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13" (2/3) ... [2021-10-13 07:36:13,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53db047d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:13, skipping insertion in model container [2021-10-13 07:36:13,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:13" (3/3) ... [2021-10-13 07:36:13,958 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2021-10-13 07:36:13,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:36:13,965 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-13 07:36:14,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:36:14,075 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:36:14,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-10-13 07:36:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 69 states have (on average 1.7391304347826086) internal successors, (120), 87 states have internal predecessors, (120), 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) [2021-10-13 07:36:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:36:14,107 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:14,108 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:14,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:14,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1658517419, now seen corresponding path program 1 times [2021-10-13 07:36:14,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:36:14,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269172585] [2021-10-13 07:36:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:14,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:36:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:14,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:36:14,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269172585] [2021-10-13 07:36:14,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269172585] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:14,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:14,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:36:14,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568252912] [2021-10-13 07:36:14,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:36:14,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:36:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:36:14,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:36:14,436 INFO L87 Difference]: Start difference. First operand has 88 states, 69 states have (on average 1.7391304347826086) internal successors, (120), 87 states have internal predecessors, (120), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 07:36:14,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:14,660 INFO L93 Difference]: Finished difference Result 168 states and 223 transitions. [2021-10-13 07:36:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:36:14,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-10-13 07:36:14,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:14,678 INFO L225 Difference]: With dead ends: 168 [2021-10-13 07:36:14,678 INFO L226 Difference]: Without dead ends: 83 [2021-10-13 07:36:14,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:36:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-13 07:36:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-13 07:36:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.303030303030303) internal successors, (86), 82 states have internal predecessors, (86), 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) [2021-10-13 07:36:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2021-10-13 07:36:14,760 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 10 [2021-10-13 07:36:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:14,761 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2021-10-13 07:36:14,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 07:36:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2021-10-13 07:36:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:36:14,763 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:14,763 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:14,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:36:14,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:14,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:14,769 INFO L82 PathProgramCache]: Analyzing trace with hash -402216392, now seen corresponding path program 1 times [2021-10-13 07:36:14,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:36:14,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674294538] [2021-10-13 07:36:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:14,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:36:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:14,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:36:14,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674294538] [2021-10-13 07:36:14,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674294538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:14,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:14,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:36:14,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039501061] [2021-10-13 07:36:14,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:36:14,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:36:14,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:36:14,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:36:14,943 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-10-13 07:36:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:15,223 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2021-10-13 07:36:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:36:15,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Word has length 12 [2021-10-13 07:36:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:15,226 INFO L225 Difference]: With dead ends: 83 [2021-10-13 07:36:15,228 INFO L226 Difference]: Without dead ends: 67 [2021-10-13 07:36:15,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 66.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:36:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-13 07:36:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-13 07:36:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 58 states have (on average 1.206896551724138) internal successors, (70), 66 states have internal predecessors, (70), 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) [2021-10-13 07:36:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2021-10-13 07:36:15,243 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 12 [2021-10-13 07:36:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:15,243 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2021-10-13 07:36:15,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-10-13 07:36:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2021-10-13 07:36:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 07:36:15,245 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:15,245 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:15,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:36:15,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash 535082762, now seen corresponding path program 1 times [2021-10-13 07:36:15,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:36:15,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208565157] [2021-10-13 07:36:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:15,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:36:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:15,314 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:36:15,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208565157] [2021-10-13 07:36:15,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208565157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:15,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:15,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 07:36:15,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206886337] [2021-10-13 07:36:15,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:36:15,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:36:15,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:36:15,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:36:15,319 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:36:15,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:15,483 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2021-10-13 07:36:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:36:15,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 07:36:15,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:15,486 INFO L225 Difference]: With dead ends: 88 [2021-10-13 07:36:15,486 INFO L226 Difference]: Without dead ends: 80 [2021-10-13 07:36:15,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:36:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-13 07:36:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2021-10-13 07:36:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.196969696969697) internal successors, (79), 73 states have internal predecessors, (79), 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) [2021-10-13 07:36:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2021-10-13 07:36:15,500 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 15 [2021-10-13 07:36:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:15,501 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2021-10-13 07:36:15,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:36:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2021-10-13 07:36:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:36:15,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:15,503 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:15,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 07:36:15,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:15,505 INFO L82 PathProgramCache]: Analyzing trace with hash -330656293, now seen corresponding path program 1 times [2021-10-13 07:36:15,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:36:15,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83476652] [2021-10-13 07:36:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:15,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:36:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 07:36:15,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:36:15,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83476652] [2021-10-13 07:36:15,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83476652] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:36:15,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714866466] [2021-10-13 07:36:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:15,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:36:15,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:36:15,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:36:15,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:36:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:15,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:36:15,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 07:36:16,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 07:36:16,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714866466] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:36:16,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [675352533] [2021-10-13 07:36:16,221 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2021-10-13 07:36:16,222 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:36:16,231 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:36:16,239 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:36:16,240 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:36:16,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:36:16,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-13 07:36:16,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:36:16,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-13 07:36:16,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-10-13 07:36:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:36:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:36:16,398 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-13 07:36:16,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 26 [2021-10-13 07:36:16,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-13 07:36:16,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-13 07:36:16,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:36:16,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:16,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:36:16,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-10-13 07:36:16,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 07:36:16,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:98 [2021-10-13 07:36:16,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:16,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-10-13 07:36:16,665 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_8| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:36:16,669 INFO L168 Benchmark]: Toolchain (without parser) took 3860.58 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.8 MB in the beginning and 67.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,670 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:36:16,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.62 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 71.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 69.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,671 INFO L168 Benchmark]: Boogie Preprocessor took 88.66 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 67.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,672 INFO L168 Benchmark]: RCFGBuilder took 612.31 ms. Allocated memory is still 96.5 MB. Free memory was 67.9 MB in the beginning and 52.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,673 INFO L168 Benchmark]: TraceAbstraction took 2719.42 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 67.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:16,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.62 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 71.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 69.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.66 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 67.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 612.31 ms. Allocated memory is still 96.5 MB. Free memory was 67.9 MB in the beginning and 52.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2719.42 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 67.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_8| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_8|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:36:16,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:36:19,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:36:19,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:36:19,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:36:19,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:36:19,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:36:19,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:36:19,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:36:19,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:36:19,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:36:19,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:36:19,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:36:19,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:36:19,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:36:19,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:36:19,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:36:19,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:36:19,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:36:19,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:36:19,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:36:19,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:36:19,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:36:19,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:36:19,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:36:19,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:36:19,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:36:19,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:36:19,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:36:19,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:36:19,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:36:19,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:36:19,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:36:19,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:36:19,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:36:19,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:36:19,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:36:19,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:36:19,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:36:19,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:36:19,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:36:19,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:36:19,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:36:19,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:36:19,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:36:19,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:36:19,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:36:19,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:36:19,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:36:19,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:36:19,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:36:19,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:36:19,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:36:19,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:36:19,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:36:19,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:36:19,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:36:19,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:36:19,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:36:19,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:36:19,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:36:19,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:36:19,996 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:36:19,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:36:19,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:36:19,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:36:19,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:36:19,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:36:19,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:36:19,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:19,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:36:19,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:36:19,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:36:20,000 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:36:20,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:36:20,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:36:20,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:36:20,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:36:20,001 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_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2021-10-13 07:36:20,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:36:20,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:36:20,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:36:20,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:36:20,512 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:36:20,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 07:36:20,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/9e2a2c42f/161dfa0a95784221a31bf6120e7c03d0/FLAG1ed87fbdf [2021-10-13 07:36:21,354 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:36:21,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 07:36:21,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/9e2a2c42f/161dfa0a95784221a31bf6120e7c03d0/FLAG1ed87fbdf [2021-10-13 07:36:21,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/data/9e2a2c42f/161dfa0a95784221a31bf6120e7c03d0 [2021-10-13 07:36:21,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:36:21,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:36:21,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:21,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:36:21,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:36:21,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:21" (1/1) ... [2021-10-13 07:36:21,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d165b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:21, skipping insertion in model container [2021-10-13 07:36:21,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:21" (1/1) ... [2021-10-13 07:36:21,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:36:21,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:36:21,933 WARN L228 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_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 07:36:21,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:36:21,976 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:36:22,000 WARN L228 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_2020047c-5cc6-4964-b59f-a275c7256253/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 07:36:22,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:36:22,061 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:36:22,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22 WrapperNode [2021-10-13 07:36:22,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:22,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:36:22,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:36:22,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:36:22,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:36:22,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:36:22,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:36:22,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:36:22,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:36:22,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:36:22,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:36:22,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:36:22,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (1/1) ... [2021-10-13 07:36:22,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:36:22,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:36:22,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:36:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:36:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:36:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:36:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:36:22,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:36:22,914 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-10-13 07:36:22,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:22 BoogieIcfgContainer [2021-10-13 07:36:22,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:36:22,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:36:22,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:36:22,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:36:22,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:36:21" (1/3) ... [2021-10-13 07:36:22,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dfb7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:22, skipping insertion in model container [2021-10-13 07:36:22,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:22" (2/3) ... [2021-10-13 07:36:22,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dfb7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:22, skipping insertion in model container [2021-10-13 07:36:22,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:22" (3/3) ... [2021-10-13 07:36:22,951 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2021-10-13 07:36:22,958 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:36:22,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-13 07:36:23,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:36:23,037 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:36:23,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-10-13 07:36:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 87 states have internal predecessors, (122), 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) [2021-10-13 07:36:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:36:23,080 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:23,081 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:23,082 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:23,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:23,095 INFO L82 PathProgramCache]: Analyzing trace with hash -2087055015, now seen corresponding path program 1 times [2021-10-13 07:36:23,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:23,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498834684] [2021-10-13 07:36:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:23,113 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:23,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:36:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:23,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:36:23,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:24,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:24,994 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:24,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498834684] [2021-10-13 07:36:24,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498834684] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:24,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:24,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 10 [2021-10-13 07:36:24,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175374379] [2021-10-13 07:36:25,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:36:25,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:25,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:36:25,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:36:25,027 INFO L87 Difference]: Start difference. First operand has 88 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 87 states have internal predecessors, (122), 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 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-10-13 07:36:26,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:26,399 INFO L93 Difference]: Finished difference Result 186 states and 240 transitions. [2021-10-13 07:36:26,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:36:26,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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 [2021-10-13 07:36:26,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:26,414 INFO L225 Difference]: With dead ends: 186 [2021-10-13 07:36:26,414 INFO L226 Difference]: Without dead ends: 82 [2021-10-13 07:36:26,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 928.3ms TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:36:26,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-13 07:36:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-10-13 07:36:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 81 states have internal predecessors, (85), 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) [2021-10-13 07:36:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2021-10-13 07:36:26,468 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 11 [2021-10-13 07:36:26,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:26,469 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2021-10-13 07:36:26,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-10-13 07:36:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2021-10-13 07:36:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:36:26,470 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:26,471 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:26,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:36:26,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:26,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:26,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:26,685 INFO L82 PathProgramCache]: Analyzing trace with hash 90014268, now seen corresponding path program 1 times [2021-10-13 07:36:26,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:26,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501597446] [2021-10-13 07:36:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:26,687 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:26,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:26,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:26,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:36:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:26,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:36:26,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:26,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:27,155 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:27,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501597446] [2021-10-13 07:36:27,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501597446] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:27,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:27,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-10-13 07:36:27,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038755411] [2021-10-13 07:36:27,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:36:27,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:27,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:36:27,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:36:27,160 INFO L87 Difference]: Start difference. First operand 82 states and 85 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) [2021-10-13 07:36:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:28,061 INFO L93 Difference]: Finished difference Result 194 states and 203 transitions. [2021-10-13 07:36:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-13 07:36:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) Word has length 13 [2021-10-13 07:36:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:28,065 INFO L225 Difference]: With dead ends: 194 [2021-10-13 07:36:28,066 INFO L226 Difference]: Without dead ends: 184 [2021-10-13 07:36:28,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 478.8ms TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:36:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-13 07:36:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 91. [2021-10-13 07:36:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 90 states have internal predecessors, (99), 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) [2021-10-13 07:36:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2021-10-13 07:36:28,089 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 13 [2021-10-13 07:36:28,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:28,089 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2021-10-13 07:36:28,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) [2021-10-13 07:36:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-10-13 07:36:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 07:36:28,091 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:28,091 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:28,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:28,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:28,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:28,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:28,306 INFO L82 PathProgramCache]: Analyzing trace with hash 604524417, now seen corresponding path program 1 times [2021-10-13 07:36:28,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:28,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220621277] [2021-10-13 07:36:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:28,308 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:28,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:28,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:36:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:28,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:36:28,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:28,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:29,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:29,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220621277] [2021-10-13 07:36:29,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220621277] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:29,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:29,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 6] imperfect sequences [] total 12 [2021-10-13 07:36:29,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104697743] [2021-10-13 07:36:29,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 07:36:29,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 07:36:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:36:29,434 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2021-10-13 07:36:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:30,926 INFO L93 Difference]: Finished difference Result 148 states and 158 transitions. [2021-10-13 07:36:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:36:30,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 07:36:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:30,929 INFO L225 Difference]: With dead ends: 148 [2021-10-13 07:36:30,930 INFO L226 Difference]: Without dead ends: 136 [2021-10-13 07:36:30,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 919.0ms TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:36:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-13 07:36:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 89. [2021-10-13 07:36:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 88 states have internal predecessors, (94), 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) [2021-10-13 07:36:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2021-10-13 07:36:30,966 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 15 [2021-10-13 07:36:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:30,967 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2021-10-13 07:36:30,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2021-10-13 07:36:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2021-10-13 07:36:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:36:30,969 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:30,969 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:30,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:31,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:31,170 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:31,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:31,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1443789219, now seen corresponding path program 1 times [2021-10-13 07:36:31,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:31,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493474544] [2021-10-13 07:36:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:31,173 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:31,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:31,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:31,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:36:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:31,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 07:36:31,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:33,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:34,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:34,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493474544] [2021-10-13 07:36:34,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493474544] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:36:34,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1625425797] [2021-10-13 07:36:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:34,661 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:36:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:36:34,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:36:34,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-10-13 07:36:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-13 07:36:34,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:36,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:36,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1625425797] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:36:36,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556556915] [2021-10-13 07:36:36,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:36,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:36:36,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:36:36,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:36:36,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 07:36:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:36,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 07:36:36,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:38,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:38,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556556915] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:36:38,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:36:38,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 11, 7, 13, 7] total 23 [2021-10-13 07:36:38,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558682029] [2021-10-13 07:36:38,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-13 07:36:38,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:38,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-13 07:36:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2021-10-13 07:36:38,926 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 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) [2021-10-13 07:36:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:45,051 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2021-10-13 07:36:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:36:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 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 26 [2021-10-13 07:36:45,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:45,055 INFO L225 Difference]: With dead ends: 105 [2021-10-13 07:36:45,055 INFO L226 Difference]: Without dead ends: 81 [2021-10-13 07:36:45,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 125 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 3407.9ms TimeCoverageRelationStatistics Valid=248, Invalid=564, Unknown=0, NotChecked=0, Total=812 [2021-10-13 07:36:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-13 07:36:45,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2021-10-13 07:36:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.1) internal successors, (55), 51 states have internal predecessors, (55), 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) [2021-10-13 07:36:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2021-10-13 07:36:45,068 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 26 [2021-10-13 07:36:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:45,068 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2021-10-13 07:36:45,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 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) [2021-10-13 07:36:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2021-10-13 07:36:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:36:45,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:45,071 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:45,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:45,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:45,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 07:36:45,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:45,681 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:45,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:45,682 INFO L82 PathProgramCache]: Analyzing trace with hash 137785542, now seen corresponding path program 1 times [2021-10-13 07:36:45,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:45,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494078096] [2021-10-13 07:36:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:45,683 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:45,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:45,685 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:45,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:36:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:45,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:36:45,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:46,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:46,136 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:46,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494078096] [2021-10-13 07:36:46,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494078096] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:46,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:46,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:36:46,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85957997] [2021-10-13 07:36:46,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:36:46,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:46,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:36:46,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:36:46,140 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-13 07:36:46,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:46,217 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-10-13 07:36:46,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:36:46,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-10-13 07:36:46,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:46,219 INFO L225 Difference]: With dead ends: 82 [2021-10-13 07:36:46,219 INFO L226 Difference]: Without dead ends: 52 [2021-10-13 07:36:46,220 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:36:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-13 07:36:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-13 07:36:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 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) [2021-10-13 07:36:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-10-13 07:36:46,244 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 37 [2021-10-13 07:36:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:46,245 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-10-13 07:36:46,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-13 07:36:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-10-13 07:36:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 07:36:46,247 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:46,247 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:46,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:46,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:46,467 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:46,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:46,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1672024017, now seen corresponding path program 1 times [2021-10-13 07:36:46,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:46,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849503867] [2021-10-13 07:36:46,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:46,469 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:46,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:46,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:36:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:46,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:36:46,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:47,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:47,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:47,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849503867] [2021-10-13 07:36:47,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849503867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:47,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:47,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-10-13 07:36:47,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591277205] [2021-10-13 07:36:47,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 07:36:47,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 07:36:47,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:36:47,748 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) [2021-10-13 07:36:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:48,040 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2021-10-13 07:36:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:36:48,041 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 38 [2021-10-13 07:36:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:48,042 INFO L225 Difference]: With dead ends: 61 [2021-10-13 07:36:48,042 INFO L226 Difference]: Without dead ends: 59 [2021-10-13 07:36:48,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 382.0ms TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2021-10-13 07:36:48,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-13 07:36:48,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2021-10-13 07:36:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 49 states have internal predecessors, (52), 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) [2021-10-13 07:36:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2021-10-13 07:36:48,052 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 38 [2021-10-13 07:36:48,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:48,052 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2021-10-13 07:36:48,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) [2021-10-13 07:36:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2021-10-13 07:36:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 07:36:48,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:36:48,054 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:36:48,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 07:36:48,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:48,271 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-10-13 07:36:48,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:36:48,272 INFO L82 PathProgramCache]: Analyzing trace with hash -497148974, now seen corresponding path program 1 times [2021-10-13 07:36:48,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:36:48,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901046095] [2021-10-13 07:36:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:36:48,272 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:36:48,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:36:48,274 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:36:48,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:36:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:36:48,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:36:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:36:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:48,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:36:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:36:48,849 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:36:48,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901046095] [2021-10-13 07:36:48,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901046095] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:36:48,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:36:48,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:36:48,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675501722] [2021-10-13 07:36:48,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:36:48,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:36:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:36:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:36:48,853 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-10-13 07:36:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:36:49,189 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2021-10-13 07:36:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 07:36:49,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 40 [2021-10-13 07:36:49,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:36:49,191 INFO L225 Difference]: With dead ends: 78 [2021-10-13 07:36:49,191 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:36:49,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 157.8ms TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:36:49,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:36:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:36:49,193 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) [2021-10-13 07:36:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:36:49,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-10-13 07:36:49,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:36:49,194 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:36:49,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-10-13 07:36:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:36:49,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:36:49,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,212 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:36:49,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:36:49,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:36:49,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:36:49,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:49,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:50,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:50,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:50,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:36:54,827 INFO L853 garLoopResultBuilder]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,828 INFO L857 garLoopResultBuilder]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,828 INFO L853 garLoopResultBuilder]: At program point L18-20(lines 17 22) the Hoare annotation is: (let ((.cse0 (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32))) (.cse1 (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32))) (.cse2 (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0))) (.cse3 (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32))) (.cse4 (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32))) (.cse5 (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0))) (.cse6 (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32))) (.cse7 (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) .cse6 .cse7 (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32))) .cse6 .cse7))) [2021-10-13 07:36:54,828 INFO L857 garLoopResultBuilder]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,829 INFO L853 garLoopResultBuilder]: At program point L18-23(line 55) the Hoare annotation is: (let ((.cse0 (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32))) (.cse1 (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32))) (.cse2 (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0))) (.cse3 (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32))) (.cse4 (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32))) (.cse5 (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0))) (.cse6 (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32))) (.cse7 (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) .cse6 .cse7 (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32))) .cse6 .cse7))) [2021-10-13 07:36:54,829 INFO L857 garLoopResultBuilder]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,829 INFO L853 garLoopResultBuilder]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,830 INFO L857 garLoopResultBuilder]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,830 INFO L853 garLoopResultBuilder]: At program point L18-29(line 58) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,830 INFO L857 garLoopResultBuilder]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,830 INFO L857 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,831 INFO L857 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,831 INFO L853 garLoopResultBuilder]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (= ULTIMATE.start_main_~c~0 (_ bv0 32))) [2021-10-13 07:36:54,832 INFO L857 garLoopResultBuilder]: For program point L19-2(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,832 INFO L857 garLoopResultBuilder]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,833 INFO L857 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,833 INFO L857 garLoopResultBuilder]: For program point L19-4(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,833 INFO L857 garLoopResultBuilder]: For program point L19-5(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,835 INFO L857 garLoopResultBuilder]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,835 INFO L857 garLoopResultBuilder]: For program point L19-6(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,835 INFO L857 garLoopResultBuilder]: For program point L19-7(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,835 INFO L853 garLoopResultBuilder]: At program point L18-38(lines 17 22) the Hoare annotation is: (let ((.cse0 (bvadd ULTIMATE.start_main_~c~0 (_ bv1 32))) (.cse1 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsle (_ bv0 32) .cse0) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (bvslt .cse0 ULTIMATE.start_main_~tokenlen~0) (not (bvslt .cse1 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (or (bvslt .cse1 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,836 INFO L857 garLoopResultBuilder]: For program point L19-8(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,836 INFO L857 garLoopResultBuilder]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,836 INFO L857 garLoopResultBuilder]: For program point L19-9(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,836 INFO L857 garLoopResultBuilder]: For program point L19-10(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L853 garLoopResultBuilder]: At program point L18-41(lines 69 75) the Hoare annotation is: (let ((.cse0 (bvadd ULTIMATE.start_main_~c~0 (_ bv1 32))) (.cse1 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsle (_ bv0 32) .cse0) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (bvslt .cse0 ULTIMATE.start_main_~tokenlen~0) (not (bvslt .cse1 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (or (bvslt .cse1 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,837 INFO L857 garLoopResultBuilder]: For program point L19-11(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L857 garLoopResultBuilder]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L857 garLoopResultBuilder]: For program point L19-12(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L857 garLoopResultBuilder]: For program point L19-13(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,837 INFO L853 garLoopResultBuilder]: At program point L18-44(lines 17 22) the Hoare annotation is: (let ((.cse0 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt .cse0 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (or (bvslt .cse0 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,838 INFO L857 garLoopResultBuilder]: For program point L19-14(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,838 INFO L857 garLoopResultBuilder]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,838 INFO L853 garLoopResultBuilder]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt .cse0 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (or (bvslt .cse0 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,838 INFO L857 garLoopResultBuilder]: For program point L36(lines 25 83) no Hoare annotation was computed. [2021-10-13 07:36:54,839 INFO L857 garLoopResultBuilder]: For program point L19-15(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,839 INFO L853 garLoopResultBuilder]: At program point L18-47(lines 17 22) the Hoare annotation is: (let ((.cse0 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt .cse0 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (or (bvslt .cse0 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,839 INFO L857 garLoopResultBuilder]: For program point L19-16(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,839 INFO L857 garLoopResultBuilder]: For program point L18-48(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,840 INFO L857 garLoopResultBuilder]: For program point L19-17(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,840 INFO L853 garLoopResultBuilder]: At program point L18-50(lines 17 22) the Hoare annotation is: (let ((.cse0 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt .cse0 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (or (bvslt .cse0 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,840 INFO L857 garLoopResultBuilder]: For program point L18-51(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,840 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:36:54,841 INFO L857 garLoopResultBuilder]: For program point L37(lines 25 83) no Hoare annotation was computed. [2021-10-13 07:36:54,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:36:54,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,843 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 79) no Hoare annotation was computed. [2021-10-13 07:36:54,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:36:54,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,844 INFO L853 garLoopResultBuilder]: At program point L47-1(lines 17 52) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,844 INFO L857 garLoopResultBuilder]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2021-10-13 07:36:54,845 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,845 INFO L853 garLoopResultBuilder]: At program point L81(lines 25 83) the Hoare annotation is: (let ((.cse0 (or (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~scheme~0) (not (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32))) (= ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~scheme~0) ULTIMATE.start_main_~urilen~0))) (.cse1 (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)))) (or (and .cse0 (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) .cse1) (and .cse0 (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) .cse1))) [2021-10-13 07:36:54,845 INFO L857 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-10-13 07:36:54,845 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,845 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-13 07:36:54,846 INFO L853 garLoopResultBuilder]: At program point L65-1(lines 17 77) the Hoare annotation is: (let ((.cse0 (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0))) (and (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt .cse0 ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) ULTIMATE.start_main_~c~0) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle (_ bv0 32) (bvadd ULTIMATE.start_main_~cp~0 (_ bv4294967294 32))) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32)) (or (bvslt .cse0 ULTIMATE.start_main_~scheme~0) (bvslt ULTIMATE.start_main_~scheme~0 ULTIMATE.start_main_~urilen~0)))) [2021-10-13 07:36:54,846 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:36:54,846 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,846 INFO L860 garLoopResultBuilder]: At program point L82(lines 24 83) the Hoare annotation is: true [2021-10-13 07:36:54,846 INFO L857 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2021-10-13 07:36:54,847 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 07:36:54,847 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-13 07:36:54,847 INFO L857 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,847 INFO L853 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,848 INFO L857 garLoopResultBuilder]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,848 INFO L853 garLoopResultBuilder]: At program point L18-5(lines 44 80) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,848 INFO L857 garLoopResultBuilder]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,848 INFO L853 garLoopResultBuilder]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,849 INFO L857 garLoopResultBuilder]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,849 INFO L857 garLoopResultBuilder]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,849 INFO L853 garLoopResultBuilder]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (bvsgt ULTIMATE.start_main_~urilen~0 (_ bv0 32)) (bvsge ULTIMATE.start_main_~scheme~0 (_ bv0 32)) (not (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~urilen~0) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~scheme~0 (_ bv1000000 32)) (not (= ULTIMATE.start_main_~urilen~0 (bvadd ULTIMATE.start_main_~cp~0 (_ bv1 32)))) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (bvsle (_ bv0 32) (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~cp~0)) (bvsle ULTIMATE.start_main_~tokenlen~0 (_ bv1000000 32)) (bvsle ULTIMATE.start_main_~urilen~0 (_ bv1000000 32)) (bvsge ULTIMATE.start_main_~cp~0 (_ bv0 32)) (bvsgt ULTIMATE.start_main_~tokenlen~0 (_ bv0 32))) [2021-10-13 07:36:54,849 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-13 07:36:54,849 INFO L857 garLoopResultBuilder]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2021-10-13 07:36:54,850 INFO L857 garLoopResultBuilder]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2021-10-13 07:36:54,855 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:36:54,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:36:54 BoogieIcfgContainer [2021-10-13 07:36:54,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:36:54,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:36:54,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:36:54,896 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:36:54,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:22" (3/4) ... [2021-10-13 07:36:54,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:36:54,917 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-10-13 07:36:54,917 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:36:54,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:36:54,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:36:55,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:36:55,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:36:55,004 INFO L168 Benchmark]: Toolchain (without parser) took 33327.74 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 40.2 MB in the beginning and 44.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,004 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:36:55,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.38 ms. Allocated memory is still 60.8 MB. Free memory was 40.0 MB in the beginning and 44.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.88 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:36:55,005 INFO L168 Benchmark]: Boogie Preprocessor took 85.07 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 40.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,006 INFO L168 Benchmark]: RCFGBuilder took 666.74 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 26.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,006 INFO L168 Benchmark]: TraceAbstraction took 31952.49 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 50.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,006 INFO L168 Benchmark]: Witness Printer took 106.48 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 44.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:55,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 386.38 ms. Allocated memory is still 60.8 MB. Free memory was 40.0 MB in the beginning and 44.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.88 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.07 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 40.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 666.74 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 26.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31952.49 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 50.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Witness Printer took 106.48 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 44.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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, 88 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 31832.7ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 26.2ms, AutomataDifference: 10665.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5396.3ms, InitialAbstractionConstructionTime: 24.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 364 SDtfs, 1252 SDslu, 959 SDs, 0 SdLazy, 791 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7496.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 383 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 6280.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=2, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 135.1ms AutomataMinimizationTime, 7 MinimizatonAttempts, 178 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 68 NumberOfFragments, 919 HoareAnnotationTreeSize, 20 FomulaSimplifications, 19164 FormulaSimplificationTreeSizeReduction, 634.0ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 2637 FormulaSimplificationTreeSizeReductionInter, 4750.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 98.9ms SsaConstructionTime, 394.9ms SatisfiabilityAnalysisTime, 11766.1ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 2570 SizeOfPredicates, 43 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 6/18 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 18 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((~bvsge32(scheme, 0bv32) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((~bvsge32(scheme, 0bv32) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((((~bvsle32(0bv32, ~bvadd64(c, 1bv32)) && ~bvsge32(scheme, 0bv32)) && ~bvslt32(~bvadd64(c, 1bv32), tokenlen)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && c == 0bv32 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((~bvsge32(scheme, 0bv32) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || !~bvsge32(scheme, 0bv32)) || scheme == 0bv32) || ~bvslt32(~bvadd64(4294967295bv32, scheme), urilen)) && ~bvsle32(scheme, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) || (((((~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || !~bvsge32(scheme, 0bv32)) || scheme == 0bv32) || ~bvslt32(~bvadd64(4294967295bv32, scheme), urilen)) && !(cond == 0bv32)) && ~bvsle32(urilen, 1000000bv32)) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((~bvsge32(scheme, 0bv32) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) || ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && urilen == ~bvadd64(cp, 1bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((((((~bvsle32(0bv32, ~bvadd64(c, 1bv32)) && ~bvsge32(scheme, 0bv32)) && ~bvslt32(~bvadd64(c, 1bv32), tokenlen)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) || ((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && urilen == ~bvadd64(cp, 1bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((~bvsge32(scheme, 0bv32) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, c)) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(0bv32, ~bvadd64(cp, 4294967294bv32))) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32)) && (~bvslt32(~bvadd64(4294967295bv32, urilen), scheme) || ~bvslt32(scheme, urilen)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((~bvsgt32(urilen, 0bv32) && ~bvsge32(scheme, 0bv32)) && !~bvslt32(~bvadd64(4294967295bv32, urilen), cp)) && ~bvsle32(scheme, 1000000bv32)) && !(urilen == ~bvadd64(cp, 1bv32))) && cond == 1bv32) && ~bvsle32(0bv32, ~bvadd64(4294967295bv32, cp))) && ~bvsle32(tokenlen, 1000000bv32)) && ~bvsle32(urilen, 1000000bv32)) && ~bvsge32(cp, 0bv32)) && ~bvsgt32(tokenlen, 0bv32) RESULT: Ultimate proved your program to be correct! [2021-10-13 07:36:55,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2020047c-5cc6-4964-b59f-a275c7256253/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...