./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:07:58,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:07:58,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:07:58,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:07:58,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:07:58,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:07:58,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:07:58,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:07:58,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:07:58,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:07:58,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:07:58,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:07:58,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:07:58,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:07:58,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:07:58,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:07:58,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:07:58,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:07:58,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:07:58,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:07:58,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:07:58,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:07:58,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:07:58,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:07:58,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:07:58,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:07:58,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:07:58,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:07:58,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:07:58,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:07:58,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:07:58,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:07:58,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:07:58,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:07:58,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:07:58,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:07:58,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:07:58,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:07:58,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:07:58,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:07:58,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:07:58,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:07:58,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:07:58,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:07:58,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:07:58,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:07:58,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:07:58,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:07:58,232 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:07:58,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:07:58,232 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:07:58,232 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:07:58,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:07:58,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:07:58,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:07:58,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:07:58,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:07:58,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:07:58,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:07:58,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:07:58,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:07:58,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:07:58,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:07:58,236 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan 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(__VERIFIER_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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-12-07 16:07:58,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:07:58,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:07:58,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:07:58,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:07:58,353 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:07:58,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/../../sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 16:07:58,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/a6dcdb27e/213841e0667940f2b57b740d8def7af2/FLAGaf7c9ec29 [2019-12-07 16:07:58,827 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:07:58,827 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 16:07:58,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/a6dcdb27e/213841e0667940f2b57b740d8def7af2/FLAGaf7c9ec29 [2019-12-07 16:07:58,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/a6dcdb27e/213841e0667940f2b57b740d8def7af2 [2019-12-07 16:07:58,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:07:58,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:07:58,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:07:58,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:07:58,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:07:58,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:07:58" (1/1) ... [2019-12-07 16:07:58,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407055d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:58, skipping insertion in model container [2019-12-07 16:07:58,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:07:58" (1/1) ... [2019-12-07 16:07:58,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:07:58,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:07:59,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:07:59,187 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:07:59,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:07:59,317 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:07:59,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59 WrapperNode [2019-12-07 16:07:59,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:07:59,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:07:59,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:07:59,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:07:59,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:07:59,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:07:59,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:07:59,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:07:59,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... [2019-12-07 16:07:59,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:07:59,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:07:59,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:07:59,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:07:59,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:07:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 16:07:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 16:07:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 16:07:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 16:07:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:07:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:07:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:07:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:07:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 16:07:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:07:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:07:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:07:59,427 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 16:07:59,681 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:07:59,681 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:07:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:07:59 BoogieIcfgContainer [2019-12-07 16:07:59,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:07:59,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:07:59,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:07:59,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:07:59,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:07:58" (1/3) ... [2019-12-07 16:07:59,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f08a47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:07:59, skipping insertion in model container [2019-12-07 16:07:59,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:59" (2/3) ... [2019-12-07 16:07:59,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f08a47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:07:59, skipping insertion in model container [2019-12-07 16:07:59,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:07:59" (3/3) ... [2019-12-07 16:07:59,688 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-12-07 16:07:59,694 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 16:07:59,694 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:07:59,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 16:07:59,699 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,722 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,723 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,724 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,725 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,726 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,727 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,727 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,727 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,727 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,727 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,728 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,729 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,730 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,730 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,730 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,730 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,730 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,731 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,732 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,733 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,734 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,735 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,735 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,735 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,735 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,735 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,736 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,737 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,738 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,738 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,738 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,738 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,739 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,744 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:07:59,762 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 16:07:59,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:07:59,775 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:07:59,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:07:59,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:07:59,776 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:07:59,776 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:07:59,776 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:07:59,776 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:07:59,787 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-12-07 16:07:59,788 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 16:07:59,836 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 16:07:59,836 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:07:59,845 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 16:07:59,854 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 16:07:59,880 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 16:07:59,880 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:07:59,883 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 16:07:59,888 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-12-07 16:07:59,889 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 16:08:01,881 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-12-07 16:08:02,049 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-07 16:08:02,126 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6886 [2019-12-07 16:08:02,126 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-12-07 16:08:02,129 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions [2019-12-07 16:08:02,148 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 16:08:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 16:08:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 16:08:02,154 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:02,154 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:08:02,154 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash -286243724, now seen corresponding path program 1 times [2019-12-07 16:08:02,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:02,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997746494] [2019-12-07 16:08:02,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997746494] [2019-12-07 16:08:02,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:02,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:08:02,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362882228] [2019-12-07 16:08:02,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:02,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:02,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:02,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,310 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2019-12-07 16:08:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:02,360 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2019-12-07 16:08:02,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:02,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 16:08:02,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:02,376 INFO L225 Difference]: With dead ends: 602 [2019-12-07 16:08:02,376 INFO L226 Difference]: Without dead ends: 580 [2019-12-07 16:08:02,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-12-07 16:08:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2019-12-07 16:08:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-12-07 16:08:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2019-12-07 16:08:02,437 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2019-12-07 16:08:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:02,437 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2019-12-07 16:08:02,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2019-12-07 16:08:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 16:08:02,438 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:02,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:02,439 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:02,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1821742482, now seen corresponding path program 1 times [2019-12-07 16:08:02,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:02,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058253750] [2019-12-07 16:08:02,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058253750] [2019-12-07 16:08:02,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:02,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:08:02,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811932394] [2019-12-07 16:08:02,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:02,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:02,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:02,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,493 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2019-12-07 16:08:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:02,506 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2019-12-07 16:08:02,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:02,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 16:08:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:02,511 INFO L225 Difference]: With dead ends: 530 [2019-12-07 16:08:02,511 INFO L226 Difference]: Without dead ends: 508 [2019-12-07 16:08:02,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-12-07 16:08:02,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2019-12-07 16:08:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-12-07 16:08:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2019-12-07 16:08:02,533 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2019-12-07 16:08:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:02,534 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2019-12-07 16:08:02,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2019-12-07 16:08:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:08:02,535 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:02,535 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:02,535 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:02,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:02,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1708962860, now seen corresponding path program 1 times [2019-12-07 16:08:02,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:02,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022347220] [2019-12-07 16:08:02,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022347220] [2019-12-07 16:08:02,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:02,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:08:02,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610978675] [2019-12-07 16:08:02,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:02,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:02,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:02,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,577 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2019-12-07 16:08:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:02,587 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2019-12-07 16:08:02,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:02,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 16:08:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:02,590 INFO L225 Difference]: With dead ends: 504 [2019-12-07 16:08:02,590 INFO L226 Difference]: Without dead ends: 504 [2019-12-07 16:08:02,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-12-07 16:08:02,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2019-12-07 16:08:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-12-07 16:08:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2019-12-07 16:08:02,602 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2019-12-07 16:08:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:02,602 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2019-12-07 16:08:02,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2019-12-07 16:08:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:08:02,604 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:02,604 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:02,604 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:02,604 INFO L82 PathProgramCache]: Analyzing trace with hash -3357045, now seen corresponding path program 1 times [2019-12-07 16:08:02,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:02,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443020247] [2019-12-07 16:08:02,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443020247] [2019-12-07 16:08:02,646 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115400299] [2019-12-07 16:08:02,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:08:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:02,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:08:02,700 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,720 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:02,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [235330351] [2019-12-07 16:08:02,745 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:269) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1556) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) 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:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 16:08:02,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 16:08:02,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2019-12-07 16:08:02,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766520754] [2019-12-07 16:08:02,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 16:08:02,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:02,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 16:08:02,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:08:02,747 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 10 states. [2019-12-07 16:08:02,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:02,877 INFO L93 Difference]: Finished difference Result 1250 states and 3210 transitions. [2019-12-07 16:08:02,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:08:02,877 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2019-12-07 16:08:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:02,884 INFO L225 Difference]: With dead ends: 1250 [2019-12-07 16:08:02,884 INFO L226 Difference]: Without dead ends: 1250 [2019-12-07 16:08:02,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:08:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2019-12-07 16:08:02,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 904. [2019-12-07 16:08:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2019-12-07 16:08:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 2416 transitions. [2019-12-07 16:08:02,907 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 2416 transitions. Word has length 14 [2019-12-07 16:08:02,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:02,907 INFO L462 AbstractCegarLoop]: Abstraction has 904 states and 2416 transitions. [2019-12-07 16:08:02,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 16:08:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 2416 transitions. [2019-12-07 16:08:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:08:02,908 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:02,908 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:03,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:08:03,110 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:03,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1139287973, now seen corresponding path program 1 times [2019-12-07 16:08:03,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:03,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507707164] [2019-12-07 16:08:03,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:03,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507707164] [2019-12-07 16:08:03,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:03,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:03,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866300735] [2019-12-07 16:08:03,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:03,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:03,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:03,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:03,163 INFO L87 Difference]: Start difference. First operand 904 states and 2416 transitions. Second operand 3 states. [2019-12-07 16:08:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:03,196 INFO L93 Difference]: Finished difference Result 439 states and 991 transitions. [2019-12-07 16:08:03,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:03,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 16:08:03,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:03,201 INFO L225 Difference]: With dead ends: 439 [2019-12-07 16:08:03,201 INFO L226 Difference]: Without dead ends: 435 [2019-12-07 16:08:03,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-12-07 16:08:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 403. [2019-12-07 16:08:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-12-07 16:08:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 899 transitions. [2019-12-07 16:08:03,217 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 899 transitions. Word has length 16 [2019-12-07 16:08:03,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:03,217 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 899 transitions. [2019-12-07 16:08:03,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 899 transitions. [2019-12-07 16:08:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:08:03,219 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:03,219 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:03,219 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:03,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:03,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1937699080, now seen corresponding path program 1 times [2019-12-07 16:08:03,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:03,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397222634] [2019-12-07 16:08:03,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:03,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397222634] [2019-12-07 16:08:03,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:03,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:08:03,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119668447] [2019-12-07 16:08:03,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:08:03,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:08:03,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:08:03,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:08:03,272 INFO L87 Difference]: Start difference. First operand 403 states and 899 transitions. Second operand 5 states. [2019-12-07 16:08:03,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:03,312 INFO L93 Difference]: Finished difference Result 563 states and 1255 transitions. [2019-12-07 16:08:03,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:08:03,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-07 16:08:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:03,316 INFO L225 Difference]: With dead ends: 563 [2019-12-07 16:08:03,316 INFO L226 Difference]: Without dead ends: 563 [2019-12-07 16:08:03,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:08:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-12-07 16:08:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 441. [2019-12-07 16:08:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-12-07 16:08:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 990 transitions. [2019-12-07 16:08:03,329 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 990 transitions. Word has length 17 [2019-12-07 16:08:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:03,330 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 990 transitions. [2019-12-07 16:08:03,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:08:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 990 transitions. [2019-12-07 16:08:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 16:08:03,331 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:03,331 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:03,331 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash -902853282, now seen corresponding path program 1 times [2019-12-07 16:08:03,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:08:03,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538726555] [2019-12-07 16:08:03,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:03,413 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:269) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:205) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 16:08:03,415 INFO L168 Benchmark]: Toolchain (without parser) took 4565.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 939.3 MB in the beginning and 935.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:03,415 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:03,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -108.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:03,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:03,416 INFO L168 Benchmark]: Boogie Preprocessor took 23.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:03,416 INFO L168 Benchmark]: RCFGBuilder took 300.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:03,417 INFO L168 Benchmark]: TraceAbstraction took 3730.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.0 GB in the beginning and 935.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:03,419 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -108.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 300.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3730.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.0 GB in the beginning and 935.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 136 ProgramPointsBefore, 39 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 3274 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 34 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6886 CheckedPairsTotal, 119 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:08:04,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:08:04,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:08:04,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:08:04,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:08:04,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:08:04,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:08:04,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:08:04,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:08:04,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:08:04,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:08:04,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:08:04,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:08:04,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:08:04,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:08:04,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:08:04,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:08:04,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:08:04,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:08:04,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:08:04,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:08:04,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:08:04,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:08:04,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:08:04,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:08:04,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:08:04,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:08:04,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:08:04,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:08:04,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:08:04,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:08:04,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:08:04,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:08:04,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:08:04,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:08:04,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:08:04,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:08:04,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:08:04,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:08:04,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:08:04,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:08:04,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:08:04,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:08:04,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:08:04,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:08:04,857 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:08:04,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:08:04,857 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:08:04,857 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:08:04,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:08:04,858 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:08:04,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:08:04,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:08:04,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:08:04,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:08:04,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:08:04,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:08:04,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:08:04,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:08:04,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:08:04,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:08:04,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:08:04,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:08:04,861 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:08:04,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:08:04,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:08:04,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:08:04,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:08:04,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:08:04,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:08:04,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:08:04,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:08:04,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:08:04,863 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:08:04,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:08:04,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:08:04,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:08:04,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:08:04,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan 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(__VERIFIER_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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-12-07 16:08:05,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:08:05,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:08:05,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:08:05,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:08:05,065 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:08:05,066 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/../../sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 16:08:05,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/922ac2c53/74a1765829d14ea59bef34bd1590b7ed/FLAG15b60822c [2019-12-07 16:08:05,567 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:08:05,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 16:08:05,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/922ac2c53/74a1765829d14ea59bef34bd1590b7ed/FLAG15b60822c [2019-12-07 16:08:05,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/data/922ac2c53/74a1765829d14ea59bef34bd1590b7ed [2019-12-07 16:08:05,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:08:05,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:08:05,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:05,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:08:05,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:08:05,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:05" (1/1) ... [2019-12-07 16:08:05,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656ee44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:05, skipping insertion in model container [2019-12-07 16:08:05,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:05" (1/1) ... [2019-12-07 16:08:05,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:08:05,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:08:06,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:06,242 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:08:06,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:06,360 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:08:06,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06 WrapperNode [2019-12-07 16:08:06,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:06,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:08:06,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:08:06,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:08:06,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:08:06,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:08:06,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:08:06,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:08:06,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... [2019-12-07 16:08:06,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:08:06,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:08:06,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:08:06,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:08:06,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:08:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:08:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 16:08:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 16:08:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 16:08:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 16:08:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:08:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:08:06,476 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 16:08:06,766 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:08:06,766 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:08:06,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:06 BoogieIcfgContainer [2019-12-07 16:08:06,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:08:06,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:08:06,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:08:06,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:08:06,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:08:05" (1/3) ... [2019-12-07 16:08:06,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254db423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:06, skipping insertion in model container [2019-12-07 16:08:06,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:06" (2/3) ... [2019-12-07 16:08:06,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254db423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:06, skipping insertion in model container [2019-12-07 16:08:06,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:06" (3/3) ... [2019-12-07 16:08:06,773 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-12-07 16:08:06,779 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 16:08:06,779 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:08:06,784 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 16:08:06,785 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 16:08:06,811 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,811 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,811 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,811 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,812 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,812 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,812 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,812 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,812 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,813 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,814 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,815 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,815 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,815 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,815 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,815 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,816 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,816 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,816 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,816 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,816 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,817 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,817 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,817 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,817 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,817 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,818 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,818 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,818 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,818 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,818 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,819 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,819 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,819 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,819 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,819 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,820 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,820 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,820 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,820 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,821 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,822 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,822 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,822 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,823 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,824 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,825 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,826 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,827 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,828 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,829 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,830 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,831 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,831 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:08:06,848 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 16:08:06,861 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:08:06,861 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:08:06,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:08:06,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:08:06,861 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:08:06,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:08:06,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:08:06,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:08:06,872 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 136 transitions [2019-12-07 16:08:06,873 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 16:08:06,915 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 16:08:06,915 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:08:06,921 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 16:08:06,929 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 16:08:06,950 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 16:08:06,950 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:08:06,953 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 16:08:06,959 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5420 [2019-12-07 16:08:06,959 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 16:08:09,564 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-07 16:08:09,707 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-12-07 16:08:10,421 WARN L192 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-12-07 16:08:10,750 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-12-07 16:08:10,766 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7110 [2019-12-07 16:08:10,766 INFO L214 etLargeBlockEncoding]: Total number of compositions: 114 [2019-12-07 16:08:10,768 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 40 transitions [2019-12-07 16:08:10,794 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 16:08:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 16:08:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 16:08:10,801 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:10,802 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:08:10,802 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash -729449954, now seen corresponding path program 1 times [2019-12-07 16:08:10,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:10,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682243599] [2019-12-07 16:08:10,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:10,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:08:10,881 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:10,896 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:10,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682243599] [2019-12-07 16:08:10,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:10,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:08:10,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099725821] [2019-12-07 16:08:10,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:10,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:10,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:10,923 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2019-12-07 16:08:11,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:11,006 INFO L93 Difference]: Finished difference Result 621 states and 1574 transitions. [2019-12-07 16:08:11,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:11,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 16:08:11,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:11,020 INFO L225 Difference]: With dead ends: 621 [2019-12-07 16:08:11,020 INFO L226 Difference]: Without dead ends: 599 [2019-12-07 16:08:11,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-12-07 16:08:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 467. [2019-12-07 16:08:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-12-07 16:08:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2019-12-07 16:08:11,076 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2019-12-07 16:08:11,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:11,076 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2019-12-07 16:08:11,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2019-12-07 16:08:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 16:08:11,077 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:11,077 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:11,278 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:08:11,278 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1868417737, now seen corresponding path program 1 times [2019-12-07 16:08:11,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:11,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804211723] [2019-12-07 16:08:11,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:11,354 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:08:11,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:11,359 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:11,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804211723] [2019-12-07 16:08:11,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:11,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:08:11,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695623308] [2019-12-07 16:08:11,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:11,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:11,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:11,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:11,362 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2019-12-07 16:08:11,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:11,377 INFO L93 Difference]: Finished difference Result 670 states and 1736 transitions. [2019-12-07 16:08:11,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:11,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 16:08:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:11,381 INFO L225 Difference]: With dead ends: 670 [2019-12-07 16:08:11,381 INFO L226 Difference]: Without dead ends: 633 [2019-12-07 16:08:11,382 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-12-07 16:08:11,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 538. [2019-12-07 16:08:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-07 16:08:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1439 transitions. [2019-12-07 16:08:11,400 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1439 transitions. Word has length 8 [2019-12-07 16:08:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:11,401 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1439 transitions. [2019-12-07 16:08:11,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1439 transitions. [2019-12-07 16:08:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:08:11,402 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:11,402 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:11,603 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:08:11,603 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:11,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1217565814, now seen corresponding path program 1 times [2019-12-07 16:08:11,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:11,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432203854] [2019-12-07 16:08:11,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:11,691 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:08:11,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:11,695 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:11,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432203854] [2019-12-07 16:08:11,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:11,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:08:11,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834373670] [2019-12-07 16:08:11,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:11,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:11,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:11,704 INFO L87 Difference]: Start difference. First operand 538 states and 1439 transitions. Second operand 4 states. [2019-12-07 16:08:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:11,715 INFO L93 Difference]: Finished difference Result 586 states and 1566 transitions. [2019-12-07 16:08:11,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:11,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 16:08:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:11,719 INFO L225 Difference]: With dead ends: 586 [2019-12-07 16:08:11,719 INFO L226 Difference]: Without dead ends: 586 [2019-12-07 16:08:11,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-12-07 16:08:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2019-12-07 16:08:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-12-07 16:08:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1566 transitions. [2019-12-07 16:08:11,732 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1566 transitions. Word has length 10 [2019-12-07 16:08:11,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:11,732 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 1566 transitions. [2019-12-07 16:08:11,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1566 transitions. [2019-12-07 16:08:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:08:11,733 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:11,733 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:11,934 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:08:11,934 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:11,935 INFO L82 PathProgramCache]: Analyzing trace with hash 649921735, now seen corresponding path program 1 times [2019-12-07 16:08:11,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:11,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167903817] [2019-12-07 16:08:11,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:12,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:08:12,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,048 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167903817] [2019-12-07 16:08:12,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1965348101] [2019-12-07 16:08:12,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:08:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:12,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:08:12,161 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,162 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782614482] [2019-12-07 16:08:12,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:08:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:12,231 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:08:12,232 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,234 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:12,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 16:08:12,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2019-12-07 16:08:12,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430155192] [2019-12-07 16:08:12,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:08:12,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:12,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:08:12,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:08:12,238 INFO L87 Difference]: Start difference. First operand 586 states and 1566 transitions. Second operand 8 states. [2019-12-07 16:08:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:12,465 INFO L93 Difference]: Finished difference Result 1620 states and 4198 transitions. [2019-12-07 16:08:12,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 16:08:12,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 16:08:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:12,478 INFO L225 Difference]: With dead ends: 1620 [2019-12-07 16:08:12,478 INFO L226 Difference]: Without dead ends: 1620 [2019-12-07 16:08:12,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:08:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2019-12-07 16:08:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1227. [2019-12-07 16:08:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-12-07 16:08:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3343 transitions. [2019-12-07 16:08:12,525 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3343 transitions. Word has length 14 [2019-12-07 16:08:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:12,525 INFO L462 AbstractCegarLoop]: Abstraction has 1227 states and 3343 transitions. [2019-12-07 16:08:12,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:08:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3343 transitions. [2019-12-07 16:08:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 16:08:12,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:12,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:13,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:08:13,129 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:13,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:13,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1046552749, now seen corresponding path program 1 times [2019-12-07 16:08:13,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:13,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629867678] [2019-12-07 16:08:13,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:13,212 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:08:13,213 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:13,237 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 16:08:13,237 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,239 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:08:13,239 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,240 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 16:08:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:13,246 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:13,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629867678] [2019-12-07 16:08:13,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:13,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:08:13,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722698521] [2019-12-07 16:08:13,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:08:13,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:13,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:08:13,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:13,252 INFO L87 Difference]: Start difference. First operand 1227 states and 3343 transitions. Second operand 3 states. [2019-12-07 16:08:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:13,282 INFO L93 Difference]: Finished difference Result 573 states and 1303 transitions. [2019-12-07 16:08:13,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:13,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 16:08:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:13,286 INFO L225 Difference]: With dead ends: 573 [2019-12-07 16:08:13,286 INFO L226 Difference]: Without dead ends: 561 [2019-12-07 16:08:13,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:08:13,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-12-07 16:08:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 475. [2019-12-07 16:08:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-12-07 16:08:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 1066 transitions. [2019-12-07 16:08:13,299 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 1066 transitions. Word has length 20 [2019-12-07 16:08:13,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:13,299 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 1066 transitions. [2019-12-07 16:08:13,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:08:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1066 transitions. [2019-12-07 16:08:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 16:08:13,301 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:13,301 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:13,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:08:13,502 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:13,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:13,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2072136255, now seen corresponding path program 1 times [2019-12-07 16:08:13,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:13,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634128206] [2019-12-07 16:08:13,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:13,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-07 16:08:13,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:13,642 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-07 16:08:13,643 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,654 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:08:13,654 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,654 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-12-07 16:08:13,812 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 16:08:13,812 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,814 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:08:13,814 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:08:13,814 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-12-07 16:08:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:13,840 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:14,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2019-12-07 16:08:14,204 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-12-07 16:08:14,244 INFO L614 ElimStorePlain]: treesize reduction 17, result has 55.3 percent of original size [2019-12-07 16:08:14,244 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-07 16:08:14,244 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:21 [2019-12-07 16:08:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:14,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634128206] [2019-12-07 16:08:14,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:14,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 24 [2019-12-07 16:08:14,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869895461] [2019-12-07 16:08:14,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-12-07 16:08:14,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:14,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-12-07 16:08:14,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2019-12-07 16:08:14,427 INFO L87 Difference]: Start difference. First operand 475 states and 1066 transitions. Second operand 25 states. [2019-12-07 16:08:21,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:21,982 INFO L93 Difference]: Finished difference Result 1587 states and 3497 transitions. [2019-12-07 16:08:21,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-12-07 16:08:21,983 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2019-12-07 16:08:21,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:21,991 INFO L225 Difference]: With dead ends: 1587 [2019-12-07 16:08:21,991 INFO L226 Difference]: Without dead ends: 1587 [2019-12-07 16:08:21,993 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=728, Invalid=4528, Unknown=0, NotChecked=0, Total=5256 [2019-12-07 16:08:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2019-12-07 16:08:22,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 637. [2019-12-07 16:08:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2019-12-07 16:08:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1473 transitions. [2019-12-07 16:08:22,014 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1473 transitions. Word has length 21 [2019-12-07 16:08:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,014 INFO L462 AbstractCegarLoop]: Abstraction has 637 states and 1473 transitions. [2019-12-07 16:08:22,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-12-07 16:08:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1473 transitions. [2019-12-07 16:08:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:08:22,015 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,015 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:08:22,217 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:22,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,217 INFO L82 PathProgramCache]: Analyzing trace with hash -552149024, now seen corresponding path program 1 times [2019-12-07 16:08:22,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:22,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653126222] [2019-12-07 16:08:22,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 16:08:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:08:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:08:22,430 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:08:22,431 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:08:22,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:08:22,637 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 16:08:22,638 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 16:08:22,638 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 16:08:22,639 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 16:08:22,639 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 16:08:22,640 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,640 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,640 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,641 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 16:08:22,641 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= |t1Thread1of1ForFork0_#t~ret45_In1398704031| (_ bv4294967295 32))) (= (_ bv1 8) ~flag~0_Out1398704031)) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1398704031|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1398704031|, ~flag~0=~flag~0_Out1398704031} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 16:08:22,641 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 16:08:22,642 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 16:08:22,642 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,642 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,642 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-12-07 16:08:22,642 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-12-07 16:08:22,643 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 16:08:22,643 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In1752146578|)) (= |#pthreadsMutex_Out1752146578| (store |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578| (store (select |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578|) |~#m~0.offset_In1752146578| (_ bv0 1)))) (= t2Thread1of1ForFork1_~i~1_In1752146578 (bvadd t2Thread1of1ForFork1_~i~1_Out1752146578 (_ bv4294967295 32)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1752146578} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1752146578} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 16:08:22,643 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 16:08:22,643 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,644 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 16:08:22,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:08:22 BasicIcfg [2019-12-07 16:08:22,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:08:22,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:08:22,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:08:22,669 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:08:22,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:06" (3/4) ... [2019-12-07 16:08:22,672 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:08:22,672 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 16:08:22,673 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 16:08:22,673 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 16:08:22,673 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 16:08:22,673 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 16:08:22,673 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,674 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,674 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 16:08:22,674 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 16:08:22,674 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= |t1Thread1of1ForFork0_#t~ret45_In1398704031| (_ bv4294967295 32))) (= (_ bv1 8) ~flag~0_Out1398704031)) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1398704031|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1398704031|, ~flag~0=~flag~0_Out1398704031} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-12-07 16:08:22,675 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-12-07 16:08:22,676 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 16:08:22,676 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In1752146578|)) (= |#pthreadsMutex_Out1752146578| (store |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578| (store (select |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578|) |~#m~0.offset_In1752146578| (_ bv0 1)))) (= t2Thread1of1ForFork1_~i~1_In1752146578 (bvadd t2Thread1of1ForFork1_~i~1_Out1752146578 (_ bv4294967295 32)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1752146578} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1752146578} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 16:08:22,676 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 16:08:22,676 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 16:08:22,676 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 16:08:22,705 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cef87631-0b87-4781-9a59-08f1fbff42cf/bin/utaipan/witness.graphml [2019-12-07 16:08:22,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:08:22,706 INFO L168 Benchmark]: Toolchain (without parser) took 16810.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,706 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,707 INFO L168 Benchmark]: Boogie Preprocessor took 25.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,707 INFO L168 Benchmark]: RCFGBuilder took 341.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,708 INFO L168 Benchmark]: TraceAbstraction took 15900.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -91.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,708 INFO L168 Benchmark]: Witness Printer took 35.58 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 341.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15900.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -91.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.58 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.8s, 132 ProgramPointsBefore, 39 ProgramPointsAfterwards, 136 TransitionsBefore, 40 TransitionsAfterwards, 5420 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 2920 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 7110 CheckedPairsTotal, 114 TotalNumberOfCompositions - CounterExampleResult [Line: 919]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1000] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L1001] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L923] 1 top++ VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 126 locations, 2 error locations. Result: UNSAFE, OverallTime: 15.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 925 SDslu, 2292 SDs, 0 SdLazy, 1812 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1227occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1656 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 17127 SizeOfPredicates, 32 NumberOfNonLiveVariables, 600 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 6/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...