./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:51:33,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:51:33,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:51:33,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:51:33,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:51:33,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:51:33,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:51:33,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:51:33,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:51:33,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:51:33,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:51:33,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:51:33,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:51:33,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:51:33,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:51:33,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:51:33,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:51:33,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:51:33,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:51:33,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:51:33,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:51:33,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:51:33,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:51:33,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:51:33,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:51:33,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:51:33,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:51:33,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:51:33,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:51:33,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:51:33,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:51:33,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:51:33,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:51:33,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:51:33,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:51:33,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:51:33,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:51:33,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:51:33,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:51:33,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:51:33,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:51:33,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-12 23:51:33,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:51:33,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:51:33,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:51:33,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:51:33,536 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:51:33,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:51:33,536 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:51:33,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:51:33,536 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:51:33,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:51:33,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:51:33,537 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:51:33,537 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:51:33,537 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:51:33,538 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:51:33,538 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:51:33,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:51:33,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:51:33,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:51:33,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:51:33,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:51:33,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:51:33,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:51:33,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:51:33,540 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:51:33,540 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:51:33,541 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:51:33,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:51:33,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:51:33,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:51:33,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:51:33,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:51:33,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:51:33,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:51:33,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:51:33,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:51:33,543 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:51:33,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:51:33,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:51:33,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:51:33,544 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-11-12 23:51:33,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:51:33,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:51:33,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:51:33,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:51:33,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:51:33,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-12 23:51:33,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/d9fb417c0/6d6c00fe1396456db3c00f4cb54f2312/FLAG81e8f11c0 [2021-11-12 23:51:34,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:51:34,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-12 23:51:34,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/d9fb417c0/6d6c00fe1396456db3c00f4cb54f2312/FLAG81e8f11c0 [2021-11-12 23:51:34,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/d9fb417c0/6d6c00fe1396456db3c00f4cb54f2312 [2021-11-12 23:51:34,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:51:34,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:51:34,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:51:34,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:51:34,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:51:34,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:51:34" (1/1) ... [2021-11-12 23:51:34,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21308b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:34, skipping insertion in model container [2021-11-12 23:51:34,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:51:34" (1/1) ... [2021-11-12 23:51:34,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:51:34,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:51:35,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:51:35,227 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:51:35,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:51:35,342 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:51:35,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35 WrapperNode [2021-11-12 23:51:35,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:51:35,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:51:35,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:51:35,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:51:35,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:51:35,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:51:35,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:51:35,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:51:35,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:51:35,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:51:35,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:51:35,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:51:35,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (1/1) ... [2021-11-12 23:51:35,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:51:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:35,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:51:35,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:51:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:51:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-12 23:51:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-12 23:51:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:51:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:51:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:51:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:51:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:51:36,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:51:36,073 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:51:36,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:51:36 BoogieIcfgContainer [2021-11-12 23:51:36,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:51:36,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:51:36,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:51:36,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:51:36,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:51:34" (1/3) ... [2021-11-12 23:51:36,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd8dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:51:36, skipping insertion in model container [2021-11-12 23:51:36,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:35" (2/3) ... [2021-11-12 23:51:36,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd8dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:51:36, skipping insertion in model container [2021-11-12 23:51:36,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:51:36" (3/3) ... [2021-11-12 23:51:36,085 INFO L111 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe.i [2021-11-12 23:51:36,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:51:36,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-12 23:51:36,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:51:36,147 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:51:36,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-12 23:51:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 26 states have (on average 2.1538461538461537) internal successors, (56), 49 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:51:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:51:36,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:36,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:51:36,174 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting build_nondet_StringErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 147595459, now seen corresponding path program 1 times [2021-11-12 23:51:36,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:36,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625295119] [2021-11-12 23:51:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:36,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:36,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:36,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625295119] [2021-11-12 23:51:36,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625295119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:51:36,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:51:36,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:51:36,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570733115] [2021-11-12 23:51:36,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:51:36,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:51:36,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:36,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:51:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:51:36,413 INFO L87 Difference]: Start difference. First operand has 53 states, 26 states have (on average 2.1538461538461537) internal successors, (56), 49 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:36,488 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2021-11-12 23:51:36,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:51:36,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:51:36,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:36,499 INFO L225 Difference]: With dead ends: 51 [2021-11-12 23:51:36,499 INFO L226 Difference]: Without dead ends: 50 [2021-11-12 23:51:36,501 INFO L932 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 [2021-11-12 23:51:36,505 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.44ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:36,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 70 Invalid, 36 Unknown, 0 Unchecked, 2.44ms Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 52.88ms Time] [2021-11-12 23:51:36,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-12 23:51:36,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-12 23:51:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 46 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:51:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2021-11-12 23:51:36,571 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 5 [2021-11-12 23:51:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:36,572 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2021-11-12 23:51:36,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2021-11-12 23:51:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:51:36,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:36,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:51:36,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:51:36,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting build_nondet_StringErr3REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash 147595460, now seen corresponding path program 1 times [2021-11-12 23:51:36,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:36,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771850003] [2021-11-12 23:51:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:36,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:36,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:36,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771850003] [2021-11-12 23:51:36,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771850003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:51:36,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:51:36,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:51:36,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233367258] [2021-11-12 23:51:36,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:51:36,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:51:36,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:36,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:51:36,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:51:36,653 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:36,702 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2021-11-12 23:51:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:51:36,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:51:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:36,704 INFO L225 Difference]: With dead ends: 49 [2021-11-12 23:51:36,704 INFO L226 Difference]: Without dead ends: 49 [2021-11-12 23:51:36,705 INFO L932 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 [2021-11-12 23:51:36,706 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:36,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 28 Unknown, 0 Unchecked, 1.99ms Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 39.75ms Time] [2021-11-12 23:51:36,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-12 23:51:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-12 23:51:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 45 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:51:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2021-11-12 23:51:36,727 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 5 [2021-11-12 23:51:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:36,727 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2021-11-12 23:51:36,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-11-12 23:51:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:51:36,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:36,728 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:51:36,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:51:36,729 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash 147591824, now seen corresponding path program 1 times [2021-11-12 23:51:36,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:36,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86328765] [2021-11-12 23:51:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:36,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:36,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:36,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86328765] [2021-11-12 23:51:36,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86328765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:51:36,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:51:36,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:51:36,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493179524] [2021-11-12 23:51:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:51:36,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:51:36,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:51:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:51:36,886 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:37,033 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2021-11-12 23:51:37,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:51:37,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:51:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:37,037 INFO L225 Difference]: With dead ends: 53 [2021-11-12 23:51:37,038 INFO L226 Difference]: Without dead ends: 53 [2021-11-12 23:51:37,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:51:37,043 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:37,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 107 Invalid, 54 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 104.76ms Time] [2021-11-12 23:51:37,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-12 23:51:37,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2021-11-12 23:51:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:51:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2021-11-12 23:51:37,072 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 5 [2021-11-12 23:51:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:37,073 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2021-11-12 23:51:37,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2021-11-12 23:51:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:51:37,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:37,075 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-12 23:51:37,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:51:37,076 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:37,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:37,078 INFO L85 PathProgramCache]: Analyzing trace with hash 101924445, now seen corresponding path program 1 times [2021-11-12 23:51:37,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:37,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509805289] [2021-11-12 23:51:37,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:37,239 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:37,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509805289] [2021-11-12 23:51:37,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509805289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:37,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375503191] [2021-11-12 23:51:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:37,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:37,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:37,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:51:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:37,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:51:37,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:37,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:37,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:37,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375503191] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:37,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [715236292] [2021-11-12 23:51:37,649 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-12 23:51:37,650 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:37,654 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:37,660 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:37,661 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:37,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:51:37,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:37,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:37,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:37,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:37,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:37,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:51:37,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:37,718 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2021-11-12 23:51:37,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:37,726 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 19 for LOIs [2021-11-12 23:51:37,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:51:37,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:51:37,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:51:37,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-12 23:51:37,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:51:37,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:51:37,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:37,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:51:37,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:37,846 INFO L388 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 14 treesize of output 10 [2021-11-12 23:51:37,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:51:37,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:51:37,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:37,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:37,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:37,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:51:37,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:37,875 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:43 [2021-11-12 23:51:37,890 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:37,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:37,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:37,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-12 23:51:37,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131696643] [2021-11-12 23:51:37,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:37,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:51:37,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:51:37,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:51:37,995 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:38,209 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2021-11-12 23:51:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:51:38,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:51:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:38,215 INFO L225 Difference]: With dead ends: 55 [2021-11-12 23:51:38,215 INFO L226 Difference]: Without dead ends: 55 [2021-11-12 23:51:38,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:51:38,222 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.57ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:38,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 142 Invalid, 106 Unknown, 0 Unchecked, 7.57ms Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 117.93ms Time] [2021-11-12 23:51:38,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-12 23:51:38,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2021-11-12 23:51:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.8846153846153846) internal successors, (49), 44 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:51:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2021-11-12 23:51:38,246 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 7 [2021-11-12 23:51:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:38,247 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-11-12 23:51:38,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:51:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2021-11-12 23:51:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:51:38,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:38,249 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:38,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:38,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:38,471 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:38,472 INFO L85 PathProgramCache]: Analyzing trace with hash 96847641, now seen corresponding path program 1 times [2021-11-12 23:51:38,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:38,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340719409] [2021-11-12 23:51:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:38,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:38,622 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:38,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340719409] [2021-11-12 23:51:38,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340719409] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:38,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27116412] [2021-11-12 23:51:38,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:38,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:38,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:38,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:51:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:51:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:38,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:38,841 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:51:38,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-12 23:51:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:38,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:39,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27116412] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:39,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1095560788] [2021-11-12 23:51:39,504 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-12 23:51:39,504 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:39,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:39,505 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:39,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:39,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:51:39,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:39,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:39,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:51:39,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2021-11-12 23:51:39,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:39,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:39,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:51:39,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:51:39,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:39,567 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_58|], 1=[|v_#valid_82|]} [2021-11-12 23:51:39,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:51:39,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:51:39,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,586 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-12 23:51:39,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,604 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-12 23:51:39,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,612 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:39,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,617 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:30 [2021-11-12 23:51:39,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:51:39,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:39,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-12 23:51:39,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:51:39,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:51:39,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:51:39,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:51:39,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:51:39,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:39,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:51:39,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,692 INFO L180 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-11-12 23:51:39,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:51:39,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:39,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:51:39,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:51:39,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:39,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:51:39,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:51:39,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-12 23:51:39,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:39,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:39,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:39,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:39,760 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:51:39,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-12 23:51:39,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,779 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-12 23:51:39,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,794 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 23:51:39,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,803 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-12 23:51:39,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:39,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:51:39,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:51:39,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:39,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:51:39,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:51:39,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:51:39,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-12 23:51:39,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:39,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:39,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:39,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:39,855 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:51:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-12 23:51:39,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,872 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-12 23:51:39,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:51:39,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:39,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:39,892 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:95, output treesize:69 [2021-11-12 23:51:39,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-12 23:51:39,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:39,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:51:39,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:39,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:39,981 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 37 for LOIs [2021-11-12 23:51:39,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:39,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:39,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:51:39,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:39,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:51:40,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-12 23:51:40,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:51:40,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:51:40,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-12 23:51:40,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:51:40,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:40,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:40,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:40,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:51:40,097 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:45,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:45,301 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:45,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-12 23:51:45,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314778999] [2021-11-12 23:51:45,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:45,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-12 23:51:45,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:45,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-12 23:51:45,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=707, Unknown=2, NotChecked=0, Total=812 [2021-11-12 23:51:45,304 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-12 23:51:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:45,521 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2021-11-12 23:51:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:51:45,522 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 14 [2021-11-12 23:51:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:45,526 INFO L225 Difference]: With dead ends: 67 [2021-11-12 23:51:45,526 INFO L226 Difference]: Without dead ends: 67 [2021-11-12 23:51:45,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=124, Invalid=804, Unknown=2, NotChecked=0, Total=930 [2021-11-12 23:51:45,529 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.27ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 173 IncrementalHoareTripleChecker+Unchecked, 134.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:45,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 350 Invalid, 315 Unknown, 0 Unchecked, 4.27ms Time], IncrementalHoareTripleChecker [7 Valid, 135 Invalid, 0 Unknown, 173 Unchecked, 134.38ms Time] [2021-11-12 23:51:45,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-12 23:51:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2021-11-12 23:51:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 49 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:51:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2021-11-12 23:51:45,550 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 14 [2021-11-12 23:51:45,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:45,551 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2021-11-12 23:51:45,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-12 23:51:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2021-11-12 23:51:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:51:45,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:45,553 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:45,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:45,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-12 23:51:45,770 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:51:45,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash 96847642, now seen corresponding path program 1 times [2021-11-12 23:51:45,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:45,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61639811] [2021-11-12 23:51:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:45,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:46,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:46,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61639811] [2021-11-12 23:51:46,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61639811] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:46,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497705888] [2021-11-12 23:51:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:46,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:46,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:46,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:51:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:46,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-12 23:51:46,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:46,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:46,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:51:46,531 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:51:46,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-11-12 23:51:46,540 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:51:46,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-12 23:51:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:46,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:24,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497705888] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:52:24,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1213649213] [2021-11-12 23:52:24,847 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-12 23:52:24,848 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:52:24,848 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:52:24,848 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:52:24,848 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:52:24,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:24,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:24,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:24,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:52:24,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:52:24,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,878 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2021-11-12 23:52:24,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:24,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:24,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:24,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:24,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:24,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:24,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:24,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:24,910 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_76|], 1=[|v_#valid_101|]} [2021-11-12 23:52:24,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:52:24,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:24,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-12 23:52:24,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:24,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:24,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-12 23:52:24,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:24,939 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:52:24,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,944 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:72, output treesize:30 [2021-11-12 23:52:24,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:24,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:24,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:24,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-12 23:52:24,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:24,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:24,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:52:24,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:24,966 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:52:24,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:52:24,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:24,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:24,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:52:24,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:24,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,013 INFO L180 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-11-12 23:52:25,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:52:25,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:52:25,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:25,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:25,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:25,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:25,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:52:25,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-12 23:52:25,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:52:25,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:52:25,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:52:25,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:52:25,061 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:52:25,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-12 23:52:25,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-12 23:52:25,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,089 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 23:52:25,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,096 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-12 23:52:25,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:52:25,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:25,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:25,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:25,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:25,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-12 23:52:25,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-12 23:52:25,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:52:25,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:52:25,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:52:25,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:52:25,149 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:52:25,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-12 23:52:25,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-12 23:52:25,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:25,181 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 23:52:25,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:25,188 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-12 23:52:25,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,221 INFO L180 QuantifierPusher]: treesize reduction 27, result has 78.4 percent of original size [2021-11-12 23:52:25,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:52:25,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:52:25,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:25,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:25,263 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 37 for LOIs [2021-11-12 23:52:25,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:52:25,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:52:25,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-12 23:52:25,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:25,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:52:25,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-12 23:52:25,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:52:25,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:25,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:25,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:25,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:52:25,356 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:52:30,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:52:30,719 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:52:30,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 26 [2021-11-12 23:52:30,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722646054] [2021-11-12 23:52:30,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:52:30,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-12 23:52:30,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-12 23:52:30,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1172, Unknown=18, NotChecked=0, Total=1332 [2021-11-12 23:52:30,722 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-12 23:52:37,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:37,871 INFO L93 Difference]: Finished difference Result 159 states and 177 transitions. [2021-11-12 23:52:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 23:52:37,872 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 14 [2021-11-12 23:52:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:37,875 INFO L225 Difference]: With dead ends: 159 [2021-11-12 23:52:37,875 INFO L226 Difference]: Without dead ends: 159 [2021-11-12 23:52:37,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 49.0s TimeCoverageRelationStatistics Valid=234, Invalid=1815, Unknown=21, NotChecked=0, Total=2070 [2021-11-12 23:52:37,877 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 459 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 459.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.68ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 429 IncrementalHoareTripleChecker+Unchecked, 547.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:37,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 338 Invalid, 911 Unknown, 0 Unchecked, 13.68ms Time], IncrementalHoareTripleChecker [29 Valid, 453 Invalid, 0 Unknown, 429 Unchecked, 547.85ms Time] [2021-11-12 23:52:37,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-12 23:52:37,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 54. [2021-11-12 23:52:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.6875) internal successors, (54), 48 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:52:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2021-11-12 23:52:37,890 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 14 [2021-11-12 23:52:37,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:37,891 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2021-11-12 23:52:37,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-12 23:52:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-12 23:52:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:52:37,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:37,894 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:37,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:38,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-11-12 23:52:38,122 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:38,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:38,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1418696966, now seen corresponding path program 1 times [2021-11-12 23:52:38,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:38,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694903143] [2021-11-12 23:52:38,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:38,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:52:38,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:52:38,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694903143] [2021-11-12 23:52:38,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694903143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:38,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:38,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:52:38,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780896288] [2021-11-12 23:52:38,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:38,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:52:38,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:38,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:52:38,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:52:38,177 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:38,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:38,240 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-11-12 23:52:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:52:38,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2021-11-12 23:52:38,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:38,242 INFO L225 Difference]: With dead ends: 53 [2021-11-12 23:52:38,242 INFO L226 Difference]: Without dead ends: 53 [2021-11-12 23:52:38,242 INFO L932 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 [2021-11-12 23:52:38,243 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.95ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.23ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:38,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 41 Invalid, 32 Unknown, 0 Unchecked, 0.95ms Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 58.23ms Time] [2021-11-12 23:52:38,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-12 23:52:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-12 23:52:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.65625) internal successors, (53), 47 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:52:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2021-11-12 23:52:38,251 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 16 [2021-11-12 23:52:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:38,252 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2021-11-12 23:52:38,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-12 23:52:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:52:38,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:38,254 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:38,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-12 23:52:38,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:38,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2048304748, now seen corresponding path program 1 times [2021-11-12 23:52:38,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:38,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020623116] [2021-11-12 23:52:38,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:38,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:38,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:52:38,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020623116] [2021-11-12 23:52:38,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020623116] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:52:38,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206161618] [2021-11-12 23:52:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:38,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:52:38,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:52:38,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:52:38,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:52:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:38,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:52:38,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:38,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:52:38,626 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-12 23:52:38,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-12 23:52:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:52:38,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:52:45,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206161618] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:52:45,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [131531361] [2021-11-12 23:52:45,537 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-12 23:52:45,537 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:52:45,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:52:45,538 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:52:45,538 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:52:45,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:45,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:45,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:52:45,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:52:45,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2021-11-12 23:52:45,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:45,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:45,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:45,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:45,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:45,583 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_88|], 1=[|v_#valid_120|]} [2021-11-12 23:52:45,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:52:45,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:52:45,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,614 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-12 23:52:45,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,631 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-12 23:52:45,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:52:45,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:52:45,650 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:58 [2021-11-12 23:52:45,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:45,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:52:45,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:45,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:52:45,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:52:45,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-12 23:52:45,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:45,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,691 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:69 [2021-11-12 23:52:45,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,708 INFO L180 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size [2021-11-12 23:52:45,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:45,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:52:45,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:45,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:52:45,725 INFO L388 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 14 treesize of output 10 [2021-11-12 23:52:45,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:52:45,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:55 [2021-11-12 23:52:45,739 INFO L180 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size [2021-11-12 23:52:45,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:45,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-12 23:52:45,750 INFO L388 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 14 treesize of output 10 [2021-11-12 23:52:45,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:52:45,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-12 23:52:45,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:45,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:45,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:45,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:52:45,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:45,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:45,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:45,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:45,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:45,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:45,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:52:45,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-12 23:52:45,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:45,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-12 23:52:45,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:45,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:45,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:45,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:45,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-12 23:52:45,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:45,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:45,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,914 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:45,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,933 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:45,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,951 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,957 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,966 INFO L388 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 9 treesize of output 3 [2021-11-12 23:52:45,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,970 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,983 INFO L388 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 9 treesize of output 3 [2021-11-12 23:52:45,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:45,986 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:45,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:45,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:45,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:45,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:52:46,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:52:46,001 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:143, output treesize:46 [2021-11-12 23:52:46,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:52:46,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-12 23:52:46,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:46,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:46,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:46,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:46,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-12 23:52:46,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:46,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-12 23:52:46,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:52:46,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-12 23:52:46,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:46,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:46,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,109 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:46,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,127 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-12 23:52:46,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,144 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,170 INFO L388 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 9 treesize of output 3 [2021-11-12 23:52:46,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,173 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,186 INFO L388 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 9 treesize of output 3 [2021-11-12 23:52:46,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:52:46,190 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:46,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:52:46,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:52:46,204 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:143, output treesize:46 [2021-11-12 23:52:46,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-12 23:52:46,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:52:46,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:46,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,277 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 51 for LOIs [2021-11-12 23:52:46,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:52:46,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-12 23:52:46,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:52:46,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:52:46,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:52:46,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-12 23:52:46,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-12 23:52:46,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-12 23:52:46,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:46,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:52:46,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-12 23:52:46,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-12 23:52:46,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:46,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 542 [2021-11-12 23:52:46,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 491 [2021-11-12 23:52:46,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 513 [2021-11-12 23:52:46,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:46,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-12 23:52:46,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-12 23:52:46,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:46,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:46,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:46,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:46,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:46,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:46,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:46,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 686 [2021-11-12 23:52:47,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 722 [2021-11-12 23:52:47,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-11-12 23:52:47,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-11-12 23:52:47,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:52:47,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:52:47,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:52:47,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:47,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1311 [2021-11-12 23:52:47,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:47,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:52:47,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:47,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:52:47,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:47,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1212 [2021-11-12 23:52:47,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1234 [2021-11-12 23:52:47,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:47,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:52:47,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:52:47,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:47,546 INFO L388 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 14 treesize of output 10 [2021-11-12 23:52:47,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:47,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:47,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:47,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:52:47,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:47,553 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:43 [2021-11-12 23:52:47,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:47,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-12 23:52:47,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:52:47,566 INFO L388 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 14 treesize of output 10 [2021-11-12 23:52:47,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:47,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-12 23:52:47,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:47,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:47,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:47,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:52:47,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:47,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2021-11-12 23:52:47,573 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:52:48,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:52:48,376 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:52:48,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2021-11-12 23:52:48,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309015517] [2021-11-12 23:52:48,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:52:48,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:52:48,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:52:48,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=776, Unknown=3, NotChecked=0, Total=870 [2021-11-12 23:52:48,380 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-12 23:52:48,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:48,645 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2021-11-12 23:52:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:52:48,645 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 16 [2021-11-12 23:52:48,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:48,647 INFO L225 Difference]: With dead ends: 61 [2021-11-12 23:52:48,647 INFO L226 Difference]: Without dead ends: 61 [2021-11-12 23:52:48,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=109, Invalid=880, Unknown=3, NotChecked=0, Total=992 [2021-11-12 23:52:48,649 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 25 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 162.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.36ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 192 IncrementalHoareTripleChecker+Unchecked, 185.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:48,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 341 Invalid, 353 Unknown, 0 Unchecked, 3.36ms Time], IncrementalHoareTripleChecker [7 Valid, 154 Invalid, 0 Unknown, 192 Unchecked, 185.41ms Time] [2021-11-12 23:52:48,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-12 23:52:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2021-11-12 23:52:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 41 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-11-12 23:52:48,661 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 16 [2021-11-12 23:52:48,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:48,661 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-11-12 23:52:48,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-12 23:52:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-12 23:52:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:52:48,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:48,663 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:48,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:48,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:52:48,864 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:48,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1029930666, now seen corresponding path program 1 times [2021-11-12 23:52:48,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:48,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168463191] [2021-11-12 23:52:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:52:48,969 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:52:48,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168463191] [2021-11-12 23:52:48,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168463191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:48,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:48,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:52:48,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272841235] [2021-11-12 23:52:48,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:48,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:52:48,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:48,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:52:48,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:52:48,972 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:49,111 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2021-11-12 23:52:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:52:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-12 23:52:49,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:49,113 INFO L225 Difference]: With dead ends: 53 [2021-11-12 23:52:49,113 INFO L226 Difference]: Without dead ends: 53 [2021-11-12 23:52:49,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:52:49,115 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.95ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:49,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 109 Invalid, 122 Unknown, 0 Unchecked, 1.95ms Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 124.08ms Time] [2021-11-12 23:52:49,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-12 23:52:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2021-11-12 23:52:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 38 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2021-11-12 23:52:49,121 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 17 [2021-11-12 23:52:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:49,121 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2021-11-12 23:52:49,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-11-12 23:52:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:52:49,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:49,123 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:49,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-12 23:52:49,124 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1029930665, now seen corresponding path program 1 times [2021-11-12 23:52:49,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:49,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120724792] [2021-11-12 23:52:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:49,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:52:49,243 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:52:49,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120724792] [2021-11-12 23:52:49,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120724792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:49,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:49,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-12 23:52:49,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473564508] [2021-11-12 23:52:49,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:49,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:52:49,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:52:49,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:52:49,245 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:49,430 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2021-11-12 23:52:49,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:52:49,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-12 23:52:49,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:49,433 INFO L225 Difference]: With dead ends: 69 [2021-11-12 23:52:49,433 INFO L226 Difference]: Without dead ends: 69 [2021-11-12 23:52:49,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:52:49,434 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.83ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 144.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:49,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 191 Invalid, 124 Unknown, 0 Unchecked, 2.83ms Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 144.13ms Time] [2021-11-12 23:52:49,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-12 23:52:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 47. [2021-11-12 23:52:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2021-11-12 23:52:49,441 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 17 [2021-11-12 23:52:49,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:49,441 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2021-11-12 23:52:49,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:52:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2021-11-12 23:52:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:52:49,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:49,443 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:49,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-12 23:52:49,444 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:49,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1863167735, now seen corresponding path program 1 times [2021-11-12 23:52:49,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:49,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082506242] [2021-11-12 23:52:49,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:49,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:52:49,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:52:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:52:49,502 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:52:49,503 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:52:49,504 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11REQUIRES_VIOLATION (22 of 23 remaining) [2021-11-12 23:52:49,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr0REQUIRES_VIOLATION (21 of 23 remaining) [2021-11-12 23:52:49,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr1REQUIRES_VIOLATION (20 of 23 remaining) [2021-11-12 23:52:49,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr2REQUIRES_VIOLATION (19 of 23 remaining) [2021-11-12 23:52:49,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr3REQUIRES_VIOLATION (18 of 23 remaining) [2021-11-12 23:52:49,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (17 of 23 remaining) [2021-11-12 23:52:49,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (16 of 23 remaining) [2021-11-12 23:52:49,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (15 of 23 remaining) [2021-11-12 23:52:49,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (14 of 23 remaining) [2021-11-12 23:52:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (13 of 23 remaining) [2021-11-12 23:52:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (12 of 23 remaining) [2021-11-12 23:52:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (11 of 23 remaining) [2021-11-12 23:52:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (10 of 23 remaining) [2021-11-12 23:52:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (9 of 23 remaining) [2021-11-12 23:52:49,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (8 of 23 remaining) [2021-11-12 23:52:49,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (7 of 23 remaining) [2021-11-12 23:52:49,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE (6 of 23 remaining) [2021-11-12 23:52:49,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE (5 of 23 remaining) [2021-11-12 23:52:49,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE (4 of 23 remaining) [2021-11-12 23:52:49,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE (3 of 23 remaining) [2021-11-12 23:52:49,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE (2 of 23 remaining) [2021-11-12 23:52:49,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE (1 of 23 remaining) [2021-11-12 23:52:49,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK (0 of 23 remaining) [2021-11-12 23:52:49,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-12 23:52:49,540 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:49,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:52:49,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:52:49,563 INFO L158 Benchmark]: Toolchain (without parser) took 74722.62ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 52.3MB in the beginning and 111.6MB in the end (delta: -59.3MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,563 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 9.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:52:49,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.74ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 78.7MB in the end (delta: -26.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.18ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,564 INFO L158 Benchmark]: Boogie Preprocessor took 46.16ms. Allocated memory is still 109.1MB. Free memory was 77.1MB in the beginning and 75.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,564 INFO L158 Benchmark]: RCFGBuilder took 615.04ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 60.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,565 INFO L158 Benchmark]: TraceAbstraction took 73484.65ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 59.8MB in the beginning and 111.6MB in the end (delta: -51.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-11-12 23:52:49,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 9.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.74ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 78.7MB in the end (delta: -26.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.18ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.16ms. Allocated memory is still 109.1MB. Free memory was 77.1MB in the beginning and 75.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.04ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 60.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 73484.65ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 59.8MB in the beginning and 111.6MB in the end (delta: -51.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:52:49,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:52:52,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:52:52,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:52:52,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:52:52,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:52:52,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:52:52,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:52:52,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:52:52,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:52:52,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:52:52,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:52:52,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:52:52,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:52:52,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:52:52,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:52:52,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:52:52,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:52:52,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:52:52,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:52:52,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:52:52,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:52:52,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:52:52,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:52:52,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:52:52,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:52:52,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:52:52,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:52:52,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:52:52,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:52:52,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:52:52,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:52:52,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:52:52,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:52:52,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:52:52,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:52:52,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:52:52,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:52:52,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:52:52,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:52:52,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:52:52,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:52:52,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-12 23:52:53,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:52:53,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:52:53,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:52:53,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:52:53,031 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:52:53,032 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:52:53,032 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:52:53,032 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:52:53,033 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:52:53,033 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:52:53,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:52:53,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:52:53,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:52:53,037 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:52:53,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:52:53,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:52:53,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:52:53,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:52:53,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:52:53,040 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:52:53,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:52:53,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:52:53,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:52:53,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:52:53,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:52:53,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:52:53,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:52:53,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:52:53,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:52:53,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:52:53,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:52:53,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:52:53,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:52:53,044 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:52:53,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:52:53,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:52:53,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:52:53,046 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-11-12 23:52:53,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:52:53,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:52:53,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:52:53,675 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:52:53,676 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:52:53,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-12 23:52:53,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/6a0d36caa/f8da7f0c3b0a407b80546b7def81ccfd/FLAGc69a2684a [2021-11-12 23:52:54,702 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:52:54,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-12 23:52:54,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/6a0d36caa/f8da7f0c3b0a407b80546b7def81ccfd/FLAGc69a2684a [2021-11-12 23:52:54,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/data/6a0d36caa/f8da7f0c3b0a407b80546b7def81ccfd [2021-11-12 23:52:54,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:52:54,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:52:54,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:54,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:52:54,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:52:54,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:54" (1/1) ... [2021-11-12 23:52:54,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587bb9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:54, skipping insertion in model container [2021-11-12 23:52:54,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:52:54" (1/1) ... [2021-11-12 23:52:55,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:52:55,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:52:55,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:55,529 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:52:55,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:52:55,684 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:52:55,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55 WrapperNode [2021-11-12 23:52:55,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:52:55,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:52:55,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:52:55,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:52:55,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:52:55,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:52:55,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:52:55,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:52:55,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:52:55,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:52:55,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:52:55,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:52:55,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (1/1) ... [2021-11-12 23:52:55,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:52:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:52:55,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:52:55,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:52:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:52:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-12 23:52:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-12 23:52:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:52:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:52:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:52:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:52:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:52:56,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:52:56,683 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:52:56,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:52:56 BoogieIcfgContainer [2021-11-12 23:52:56,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:52:56,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:52:56,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:52:56,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:52:56,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:52:54" (1/3) ... [2021-11-12 23:52:56,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5692f459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:52:56, skipping insertion in model container [2021-11-12 23:52:56,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:52:55" (2/3) ... [2021-11-12 23:52:56,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5692f459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:52:56, skipping insertion in model container [2021-11-12 23:52:56,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:52:56" (3/3) ... [2021-11-12 23:52:56,706 INFO L111 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe.i [2021-11-12 23:52:56,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:52:56,715 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-12 23:52:56,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:52:56,811 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:52:56,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-12 23:52:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 62 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:52:56,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:56,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:56,868 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting build_nondet_StringErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 536414808, now seen corresponding path program 1 times [2021-11-12 23:52:56,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:56,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629418329] [2021-11-12 23:52:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:56,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:56,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:56,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:56,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:52:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:57,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:52:57,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:57,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:57,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:57,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629418329] [2021-11-12 23:52:57,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629418329] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:57,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:57,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:52:57,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607175895] [2021-11-12 23:52:57,163 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:57,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:52:57,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:57,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:52:57,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:52:57,240 INFO L87 Difference]: Start difference. First operand has 66 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 62 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:57,279 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2021-11-12 23:52:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:52:57,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:52:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:57,295 INFO L225 Difference]: With dead ends: 66 [2021-11-12 23:52:57,295 INFO L226 Difference]: Without dead ends: 64 [2021-11-12 23:52:57,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:52:57,304 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:57,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 4.98ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:52:57,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-12 23:52:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-12 23:52:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 38 states have (on average 1.736842105263158) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2021-11-12 23:52:57,383 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 8 [2021-11-12 23:52:57,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:57,385 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2021-11-12 23:52:57,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2021-11-12 23:52:57,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:52:57,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:57,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:57,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:57,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:57,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting build_nondet_StringErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 536414498, now seen corresponding path program 1 times [2021-11-12 23:52:57,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:57,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211557192] [2021-11-12 23:52:57,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:57,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:57,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:57,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:52:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:57,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:52:57,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:57,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:52:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:57,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:57,862 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:57,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211557192] [2021-11-12 23:52:57,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211557192] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:57,864 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:57,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:52:57,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261765609] [2021-11-12 23:52:57,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:57,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:52:57,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:57,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:52:57,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:52:57,875 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:58,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:58,039 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2021-11-12 23:52:58,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:52:58,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:52:58,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:58,042 INFO L225 Difference]: With dead ends: 62 [2021-11-12 23:52:58,042 INFO L226 Difference]: Without dead ends: 62 [2021-11-12 23:52:58,043 INFO L932 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 [2021-11-12 23:52:58,044 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.03ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147.19ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:58,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 27 Unknown, 0 Unchecked, 4.03ms Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 147.19ms Time] [2021-11-12 23:52:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-12 23:52:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-12 23:52:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2021-11-12 23:52:58,088 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 8 [2021-11-12 23:52:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:58,090 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2021-11-12 23:52:58,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2021-11-12 23:52:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:52:58,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:58,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:58,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:58,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:58,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting build_nondet_StringErr3REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash 536414499, now seen corresponding path program 1 times [2021-11-12 23:52:58,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:58,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738490277] [2021-11-12 23:52:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:58,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:58,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:58,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:52:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:58,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:52:58,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:58,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:52:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:58,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:58,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:58,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738490277] [2021-11-12 23:52:58,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738490277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:58,685 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:58,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 23:52:58,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102652680] [2021-11-12 23:52:58,686 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:58,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:52:58,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:58,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:52:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:52:58,689 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:59,149 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2021-11-12 23:52:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:52:59,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:52:59,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:59,154 INFO L225 Difference]: With dead ends: 71 [2021-11-12 23:52:59,155 INFO L226 Difference]: Without dead ends: 71 [2021-11-12 23:52:59,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:52:59,157 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 38 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 325.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.99ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 363.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:59,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 160 Invalid, 41 Unknown, 0 Unchecked, 3.99ms Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 363.79ms Time] [2021-11-12 23:52:59,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-12 23:52:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 61. [2021-11-12 23:52:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2021-11-12 23:52:59,170 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 8 [2021-11-12 23:52:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:59,171 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2021-11-12 23:52:59,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2021-11-12 23:52:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:52:59,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:59,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:59,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:59,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:59,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:59,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:59,388 INFO L85 PathProgramCache]: Analyzing trace with hash 536414552, now seen corresponding path program 1 times [2021-11-12 23:52:59,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:59,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209401755] [2021-11-12 23:52:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:59,390 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:59,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:59,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:59,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:52:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:52:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:59,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:52:59,620 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:52:59,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209401755] [2021-11-12 23:52:59,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209401755] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:52:59,620 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:52:59,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:52:59,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954812230] [2021-11-12 23:52:59,621 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:52:59,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:52:59,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:52:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:52:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:52:59,623 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:59,709 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2021-11-12 23:52:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:52:59,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:52:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:59,712 INFO L225 Difference]: With dead ends: 67 [2021-11-12 23:52:59,712 INFO L226 Difference]: Without dead ends: 67 [2021-11-12 23:52:59,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:52:59,715 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 16 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.91ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:59,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 239 Invalid, 24 Unknown, 0 Unchecked, 2.91ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 74.47ms Time] [2021-11-12 23:52:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-12 23:52:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-11-12 23:52:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.625) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:52:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2021-11-12 23:52:59,726 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 8 [2021-11-12 23:52:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:59,727 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2021-11-12 23:52:59,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:52:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2021-11-12 23:52:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:52:59,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:59,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:59,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:59,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:52:59,947 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:52:59,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:59,948 INFO L85 PathProgramCache]: Analyzing trace with hash 536474134, now seen corresponding path program 1 times [2021-11-12 23:52:59,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:52:59,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166901968] [2021-11-12 23:52:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:59,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:52:59,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:52:59,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:52:59,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:53:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:00,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:53:00,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:00,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 [2021-11-12 23:53:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:00,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:00,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:53:00,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166901968] [2021-11-12 23:53:00,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166901968] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:53:00,378 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:53:00,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 23:53:00,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459408497] [2021-11-12 23:53:00,379 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:53:00,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:53:00,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:53:00,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:53:00,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:53:00,381 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:53:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:53:00,886 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2021-11-12 23:53:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:53:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-12 23:53:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:53:00,889 INFO L225 Difference]: With dead ends: 71 [2021-11-12 23:53:00,889 INFO L226 Difference]: Without dead ends: 71 [2021-11-12 23:53:00,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:53:00,891 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 39 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 354.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.02ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 388.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:53:00,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 203 Invalid, 56 Unknown, 0 Unchecked, 4.02ms Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 388.99ms Time] [2021-11-12 23:53:00,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-12 23:53:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2021-11-12 23:53:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.619047619047619) internal successors, (68), 61 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:53:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2021-11-12 23:53:00,900 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 8 [2021-11-12 23:53:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:53:00,901 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2021-11-12 23:53:00,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:53:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2021-11-12 23:53:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:53:00,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:53:00,903 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:53:00,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:53:01,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:53:01,118 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:53:01,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:53:01,119 INFO L85 PathProgramCache]: Analyzing trace with hash -824984615, now seen corresponding path program 1 times [2021-11-12 23:53:01,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:53:01,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655534221] [2021-11-12 23:53:01,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:01,120 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:53:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:53:01,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:53:01,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:53:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:01,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:53:01,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:01,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:53:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:01,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:02,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:53:02,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655534221] [2021-11-12 23:53:02,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655534221] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:02,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1037440648] [2021-11-12 23:53:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:02,301 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:53:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:53:02,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:53:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:53:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:02,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:53:02,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:02,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:53:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:02,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:03,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1037440648] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:03,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763498352] [2021-11-12 23:53:03,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:03,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:53:03,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:53:03,036 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:53:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:53:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:03,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:53:03,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:03,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:53:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:03,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:04,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763498352] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:04,612 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:53:04,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5, 4, 5, 5] total 13 [2021-11-12 23:53:04,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351119837] [2021-11-12 23:53:04,612 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:53:04,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 23:53:04,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:53:04,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 23:53:04,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:53:04,614 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:53:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:53:07,898 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2021-11-12 23:53:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:53:07,901 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-12 23:53:07,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:53:07,903 INFO L225 Difference]: With dead ends: 93 [2021-11-12 23:53:07,903 INFO L226 Difference]: Without dead ends: 93 [2021-11-12 23:53:07,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:53:07,905 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 145 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1425.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.62ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1573.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:53:07,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 339 Invalid, 182 Unknown, 0 Unchecked, 5.62ms Time], IncrementalHoareTripleChecker [17 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1573.02ms Time] [2021-11-12 23:53:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-12 23:53:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 77. [2021-11-12 23:53:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 54 states have (on average 1.537037037037037) internal successors, (83), 73 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:53:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2021-11-12 23:53:07,918 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 12 [2021-11-12 23:53:07,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:53:07,918 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2021-11-12 23:53:07,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:53:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-12 23:53:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:53:07,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:53:07,921 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:53:07,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:53:08,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-12 23:53:08,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:53:08,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:53:08,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:53:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:53:08,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2141124204, now seen corresponding path program 1 times [2021-11-12 23:53:08,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:53:08,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912887724] [2021-11-12 23:53:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:08,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:53:08,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:53:08,528 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:53:08,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:53:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:08,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:53:08,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:08,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:53:08,877 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-12 23:53:08,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 22 [2021-11-12 23:53:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:08,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:09,396 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:53:09,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912887724] [2021-11-12 23:53:09,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912887724] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:09,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1758819714] [2021-11-12 23:53:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:09,408 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:53:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:53:09,409 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:53:09,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:53:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:09,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:53:09,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:09,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:53:09,690 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-12 23:53:09,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-11-12 23:53:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:09,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:10,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1758819714] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:10,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349100086] [2021-11-12 23:53:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:10,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:53:10,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:53:10,119 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:53:10,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-12 23:53:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:10,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:53:10,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:10,393 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:53:10,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-12 23:53:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:53:10,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:54:01,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349100086] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:54:01,410 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:54:01,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8, 7, 9, 9] total 18 [2021-11-12 23:54:01,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428159989] [2021-11-12 23:54:01,411 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:54:01,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-12 23:54:01,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:54:01,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-12 23:54:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=272, Unknown=17, NotChecked=0, Total=342 [2021-11-12 23:54:01,414 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 19 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 3 states have call successors, (4), 4 states have call predecessors, (4), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:54:01,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:01,970 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2021-11-12 23:54:01,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:54:01,971 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 3 states have call successors, (4), 4 states have call predecessors, (4), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 23 [2021-11-12 23:54:01,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:01,974 INFO L225 Difference]: With dead ends: 116 [2021-11-12 23:54:01,974 INFO L226 Difference]: Without dead ends: 116 [2021-11-12 23:54:01,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 101 SyntacticMatches, 16 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 50.7s TimeCoverageRelationStatistics Valid=81, Invalid=364, Unknown=17, NotChecked=0, Total=462 [2021-11-12 23:54:01,976 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 52 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 330.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.50ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 243 IncrementalHoareTripleChecker+Unchecked, 392.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:01,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 531 Invalid, 376 Unknown, 0 Unchecked, 5.50ms Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 243 Unchecked, 392.01ms Time] [2021-11-12 23:54:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-12 23:54:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2021-11-12 23:54:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.4375) internal successors, (115), 98 states have internal predecessors, (115), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:54:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2021-11-12 23:54:02,011 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 23 [2021-11-12 23:54:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:02,012 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2021-11-12 23:54:02,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 3 states have call successors, (4), 4 states have call predecessors, (4), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:54:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2021-11-12 23:54:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:54:02,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:02,015 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:02,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:02,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:02,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:02,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:54:02,630 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:54:02,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:02,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2141124205, now seen corresponding path program 1 times [2021-11-12 23:54:02,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:54:02,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109638149] [2021-11-12 23:54:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:02,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:54:02,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:54:02,633 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:54:02,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:54:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:02,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:54:02,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:02,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:54:02,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:54:05,245 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:54:05,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2021-11-12 23:54:05,261 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:54:05,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2021-11-12 23:54:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:54:05,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:23,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 28 treesize of output 26 [2021-11-12 23:54:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:54:23,801 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:54:23,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109638149] [2021-11-12 23:54:23,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109638149] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:54:23,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1998329530] [2021-11-12 23:54:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:23,802 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:54:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:54:23,807 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:54:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-12 23:54:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:23,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:54:23,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:23,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:54:24,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:54:24,331 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:54:24,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-12 23:54:24,350 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:54:24,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-11-12 23:54:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:54:24,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:54:44,417 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| v_build_nondet_String_~nondetString~0.base_49)))) (and (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_49 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10|))) (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)))) (exists ((v_build_nondet_String_~nondetString~0.base_40 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_40))))) (or (exists ((v_build_nondet_String_~length~0_45 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_40 v_build_nondet_String_~length~0_45) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10|)))) (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32))))))))) is different from true [2021-11-12 23:54:46,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 28 treesize of output 26 [2021-11-12 23:54:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-12 23:54:46,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1998329530] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:54:46,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373863402] [2021-11-12 23:54:46,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:46,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:46,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:46,569 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:54:46,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-12 23:54:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:46,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:54:46,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:54:46,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:54:49,124 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:54:49,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-11-12 23:54:49,141 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:54:49,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-11-12 23:54:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:54:49,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:55:16,575 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-12 23:55:16,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-11-12 23:55:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:55:19,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373863402] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:55:19,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:55:19,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 11, 11] total 25 [2021-11-12 23:55:19,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035257415] [2021-11-12 23:55:19,177 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:55:19,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-12 23:55:19,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:55:19,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-12 23:55:19,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=512, Unknown=24, NotChecked=46, Total=650 [2021-11-12 23:55:19,180 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand has 26 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 3 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:55:53,763 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_41 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_8| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| v_build_nondet_String_~nondetString~0.base_41))) (exists ((v_build_nondet_String_~nondetString~0.base_40 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_40))))) (or (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (_ bv1 32)))) (exists ((v_build_nondet_String_~length~0_45 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_40 v_build_nondet_String_~length~0_45) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_8|))))))) (and (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (_ bv1 32))) (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_2| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_41 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_8|)))))) (forall ((|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| v_build_nondet_String_~nondetString~0.base_49)))) (and (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_49 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10|))) (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)))) (exists ((v_build_nondet_String_~nondetString~0.base_40 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_40))))) (or (exists ((v_build_nondet_String_~length~0_45 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_40 v_build_nondet_String_~length~0_45) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_10|)))) (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_4| (_ bv1 32))))))))) (forall ((|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_12| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_57 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (_ BitVec 32))) (or (and (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (_ bv1 32))) (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_57 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_12|)))) (exists ((v_build_nondet_String_~nondetString~0.base_40 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_40))))) (or (exists ((v_build_nondet_String_~length~0_45 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_40 v_build_nondet_String_~length~0_45) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_12|)))) (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_6| (_ bv1 32))))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| v_build_nondet_String_~nondetString~0.base_57))))))) is different from true [2021-11-12 23:56:10,419 WARN L227 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:56:29,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:56:29,845 INFO L93 Difference]: Finished difference Result 255 states and 286 transitions. [2021-11-12 23:56:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-12 23:56:29,848 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 3 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 23 [2021-11-12 23:56:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:56:29,850 INFO L225 Difference]: With dead ends: 255 [2021-11-12 23:56:29,850 INFO L226 Difference]: Without dead ends: 255 [2021-11-12 23:56:29,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 106 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 127.3s TimeCoverageRelationStatistics Valid=198, Invalid=1327, Unknown=43, NotChecked=154, Total=1722 [2021-11-12 23:56:29,852 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 298 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 731.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.22ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 962 IncrementalHoareTripleChecker+Unchecked, 850.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:56:29,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 551 Invalid, 1253 Unknown, 0 Unchecked, 8.22ms Time], IncrementalHoareTripleChecker [18 Valid, 273 Invalid, 0 Unknown, 962 Unchecked, 850.51ms Time] [2021-11-12 23:56:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-12 23:56:29,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 150. [2021-11-12 23:56:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 122 states have (on average 1.4098360655737705) internal successors, (172), 140 states have internal predecessors, (172), 4 states have call successors, (4), 3 states have call predecessors, (4), 6 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2021-11-12 23:56:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 185 transitions. [2021-11-12 23:56:29,866 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 185 transitions. Word has length 23 [2021-11-12 23:56:29,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:56:29,867 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 185 transitions. [2021-11-12 23:56:29,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 3 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-12 23:56:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2021-11-12 23:56:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:56:29,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:56:29,869 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:56:29,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:56:30,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:56:30,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:56:30,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:56:30,480 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:56:30,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:56:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1132238833, now seen corresponding path program 1 times [2021-11-12 23:56:30,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:56:30,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126200944] [2021-11-12 23:56:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:56:30,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:56:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:56:30,481 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:56:30,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:56:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:56:30,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-12 23:56:30,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:56:30,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:56:30,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:56:33,240 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:56:33,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-12 23:56:33,258 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:56:33,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2021-11-12 23:56:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:56:33,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:56:40,674 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_65 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| v_build_nondet_String_~nondetString~0.base_65))) (and (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_65 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14|))) (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)))) (exists ((v_build_nondet_String_~nondetString~0.base_64 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_64)) (or (exists ((v_build_nondet_String_~length~0_77 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_64 v_build_nondet_String_~length~0_77) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14|)))) (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32))))))))) is different from true [2021-11-12 23:56:43,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 24 [2021-11-12 23:56:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-12 23:56:43,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:56:43,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126200944] [2021-11-12 23:56:43,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126200944] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:56:43,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1635662695] [2021-11-12 23:56:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:56:43,632 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:56:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:56:43,633 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:56:43,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-12 23:56:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:56:43,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-12 23:56:43,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:56:43,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:56:43,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:56:44,182 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:56:44,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-12 23:56:44,200 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:56:44,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2021-11-12 23:56:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:56:44,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:57:07,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 24 [2021-11-12 23:57:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:57:07,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1635662695] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:57:07,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149815355] [2021-11-12 23:57:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:57:07,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:57:07,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:57:07,343 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:57:07,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-12 23:57:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:57:07,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:57:07,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:57:07,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 [2021-11-12 23:57:10,261 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-12 23:57:10,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2021-11-12 23:57:10,276 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:57:10,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:57:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:57:12,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:57:46,848 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-12 23:57:46,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-12 23:57:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:57:51,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149815355] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:57:51,353 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:57:51,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12, 11, 11, 11] total 36 [2021-11-12 23:57:51,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095900747] [2021-11-12 23:57:51,354 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:57:51,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-12 23:57:51,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:57:51,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-12 23:57:51,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1100, Unknown=26, NotChecked=68, Total=1332 [2021-11-12 23:57:51,356 INFO L87 Difference]: Start difference. First operand 150 states and 185 transitions. Second operand has 37 states, 33 states have (on average 2.0) internal successors, (66), 31 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-12 23:57:54,033 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (forall ((|v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14| (_ BitVec 32)) (v_build_nondet_String_~nondetString~0.base_65 (_ BitVec 32)) (|v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| v_build_nondet_String_~nondetString~0.base_65))) (and (forall ((build_nondet_String_~length~0 (_ BitVec 32))) (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)) (select (store |c_#length| v_build_nondet_String_~nondetString~0.base_65 build_nondet_String_~length~0) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14|))) (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)))) (exists ((v_build_nondet_String_~nondetString~0.base_64 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_build_nondet_String_~nondetString~0.base_64)) (or (exists ((v_build_nondet_String_~length~0_77 (_ BitVec 32))) (not (bvule (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)) (select (store |c_old(#length)| v_build_nondet_String_~nondetString~0.base_64 v_build_nondet_String_~length~0_77) |v_ULTIMATE.start_main_~s1~0#1.base_BEFORE_CALL_14|)))) (not (bvule |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (bvadd |v_ULTIMATE.start_main_~s1~0#1.offset_BEFORE_CALL_8| (_ bv1 32)))))))))) is different from false [2021-11-12 23:58:13,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:58:13,083 INFO L93 Difference]: Finished difference Result 279 states and 348 transitions. [2021-11-12 23:58:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 23:58:13,084 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 2.0) internal successors, (66), 31 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 23 [2021-11-12 23:58:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:58:13,087 INFO L225 Difference]: With dead ends: 279 [2021-11-12 23:58:13,087 INFO L226 Difference]: Without dead ends: 279 [2021-11-12 23:58:13,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 84.7s TimeCoverageRelationStatistics Valid=255, Invalid=1612, Unknown=33, NotChecked=170, Total=2070 [2021-11-12 23:58:13,089 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 359 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1904.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.01ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 909 IncrementalHoareTripleChecker+Unchecked, 2146.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:58:13,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 1224 Invalid, 1577 Unknown, 0 Unchecked, 14.01ms Time], IncrementalHoareTripleChecker [15 Valid, 653 Invalid, 0 Unknown, 909 Unchecked, 2146.80ms Time] [2021-11-12 23:58:13,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-11-12 23:58:13,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 162. [2021-11-12 23:58:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 132 states have (on average 1.3863636363636365) internal successors, (183), 151 states have internal predecessors, (183), 4 states have call successors, (4), 4 states have call predecessors, (4), 8 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-12 23:58:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 198 transitions. [2021-11-12 23:58:13,100 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 198 transitions. Word has length 23 [2021-11-12 23:58:13,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:58:13,100 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 198 transitions. [2021-11-12 23:58:13,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 2.0) internal successors, (66), 31 states have internal predecessors, (66), 4 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-12 23:58:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2021-11-12 23:58:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:58:13,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:58:13,102 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:58:13,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:58:13,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:58:13,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:58:13,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:58:13,714 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:58:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:58:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 331025805, now seen corresponding path program 1 times [2021-11-12 23:58:13,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:58:13,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265126955] [2021-11-12 23:58:13,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:58:13,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:58:13,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:58:13,716 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:58:13,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:58:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:58:13,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:58:13,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:58:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:58:13,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:58:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:58:13,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:58:13,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265126955] [2021-11-12 23:58:13,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265126955] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:58:13,865 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:58:13,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:58:13,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412685410] [2021-11-12 23:58:13,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:58:13,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:58:13,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:58:13,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:58:13,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:58:13,867 INFO L87 Difference]: Start difference. First operand 162 states and 198 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:58:13,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:58:13,969 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2021-11-12 23:58:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:58:13,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2021-11-12 23:58:13,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:58:13,973 INFO L225 Difference]: With dead ends: 163 [2021-11-12 23:58:13,973 INFO L226 Difference]: Without dead ends: 163 [2021-11-12 23:58:13,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:58:13,974 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 32 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:58:13,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 70 Invalid, 27 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 97.25ms Time] [2021-11-12 23:58:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-12 23:58:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2021-11-12 23:58:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 132 states have (on average 1.371212121212121) internal successors, (181), 150 states have internal predecessors, (181), 4 states have call successors, (4), 4 states have call predecessors, (4), 8 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-12 23:58:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 196 transitions. [2021-11-12 23:58:13,983 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 196 transitions. Word has length 25 [2021-11-12 23:58:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:58:13,984 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 196 transitions. [2021-11-12 23:58:13,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:58:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 196 transitions. [2021-11-12 23:58:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-12 23:58:13,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:58:13,986 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:58:13,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:58:14,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:58:14,191 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:58:14,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:58:14,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1262452702, now seen corresponding path program 2 times [2021-11-12 23:58:14,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:58:14,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743298006] [2021-11-12 23:58:14,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:58:14,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:58:14,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:58:14,193 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:58:14,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:58:14,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-12 23:58:14,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:58:14,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:58:14,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:58:14,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:58:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:15,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:58:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:17,194 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:58:17,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743298006] [2021-11-12 23:58:17,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743298006] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:58:17,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [367796946] [2021-11-12 23:58:17,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:58:17,194 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:58:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:58:17,195 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:58:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-12 23:58:17,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-12 23:58:17,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:58:17,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-12 23:58:17,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:58:17,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:58:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:18,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:58:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:21,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [367796946] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:58:21,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938466048] [2021-11-12 23:58:21,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:58:21,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:58:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:58:21,252 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:58:21,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-12 23:58:21,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-12 23:58:21,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:58:21,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:58:21,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:58:21,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-12 23:58:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:22,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:58:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:58:26,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938466048] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:58:26,677 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:58:26,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 10, 9, 9] total 38 [2021-11-12 23:58:26,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785829403] [2021-11-12 23:58:26,678 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:58:26,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-12 23:58:26,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:58:26,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-12 23:58:26,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1101, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 23:58:26,680 INFO L87 Difference]: Start difference. First operand 161 states and 196 transitions. Second operand has 39 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 39 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:58:38,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:40,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:49,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:59,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:58:59,660 INFO L93 Difference]: Finished difference Result 281 states and 346 transitions. [2021-11-12 23:58:59,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-12 23:58:59,663 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 39 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-12 23:58:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:58:59,666 INFO L225 Difference]: With dead ends: 281 [2021-11-12 23:58:59,667 INFO L226 Difference]: Without dead ends: 281 [2021-11-12 23:58:59,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=828, Invalid=2252, Unknown=0, NotChecked=0, Total=3080 [2021-11-12 23:58:59,670 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 497 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 66 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10849.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.51ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11387.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:58:59,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 803 Invalid, 777 Unknown, 0 Unchecked, 11.51ms Time], IncrementalHoareTripleChecker [66 Valid, 710 Invalid, 1 Unknown, 0 Unchecked, 11387.11ms Time] [2021-11-12 23:58:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-12 23:58:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 209. [2021-11-12 23:58:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 180 states have (on average 1.3388888888888888) internal successors, (241), 198 states have internal predecessors, (241), 4 states have call successors, (4), 4 states have call predecessors, (4), 8 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-12 23:58:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 256 transitions. [2021-11-12 23:58:59,690 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 256 transitions. Word has length 24 [2021-11-12 23:58:59,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:58:59,691 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 256 transitions. [2021-11-12 23:58:59,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 39 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:58:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 256 transitions. [2021-11-12 23:58:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-12 23:58:59,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:58:59,700 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:58:59,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:58:59,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:59:00,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-12 23:59:00,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:59:00,311 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-12 23:59:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:59:00,312 INFO L85 PathProgramCache]: Analyzing trace with hash 288202460, now seen corresponding path program 1 times [2021-11-12 23:59:00,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:59:00,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122431064] [2021-11-12 23:59:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:59:00,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:59:00,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:59:00,314 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:59:00,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:59:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:59:00,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:59:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:59:00,448 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:59:00,449 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:59:00,450 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11REQUIRES_VIOLATION (22 of 23 remaining) [2021-11-12 23:59:00,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr0REQUIRES_VIOLATION (21 of 23 remaining) [2021-11-12 23:59:00,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr1REQUIRES_VIOLATION (20 of 23 remaining) [2021-11-12 23:59:00,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr2REQUIRES_VIOLATION (19 of 23 remaining) [2021-11-12 23:59:00,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr3REQUIRES_VIOLATION (18 of 23 remaining) [2021-11-12 23:59:00,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (17 of 23 remaining) [2021-11-12 23:59:00,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (16 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (15 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (14 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (13 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (12 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (11 of 23 remaining) [2021-11-12 23:59:00,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (10 of 23 remaining) [2021-11-12 23:59:00,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (9 of 23 remaining) [2021-11-12 23:59:00,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (8 of 23 remaining) [2021-11-12 23:59:00,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (7 of 23 remaining) [2021-11-12 23:59:00,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE (6 of 23 remaining) [2021-11-12 23:59:00,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE (5 of 23 remaining) [2021-11-12 23:59:00,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE (4 of 23 remaining) [2021-11-12 23:59:00,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE (3 of 23 remaining) [2021-11-12 23:59:00,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE (2 of 23 remaining) [2021-11-12 23:59:00,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE (1 of 23 remaining) [2021-11-12 23:59:00,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK (0 of 23 remaining) [2021-11-12 23:59:00,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:59:00,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:59:00,670 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:59:00,674 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:59:00,694 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:59:00,700 INFO L158 Benchmark]: Toolchain (without parser) took 365734.86ms. Allocated memory was 50.3MB in the beginning and 77.6MB in the end (delta: 27.3MB). Free memory was 26.5MB in the beginning and 43.0MB in the end (delta: -16.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,700 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:59:00,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.62ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 44.2MB in the end (delta: -17.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.05ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,702 INFO L158 Benchmark]: Boogie Preprocessor took 77.22ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,705 INFO L158 Benchmark]: RCFGBuilder took 826.60ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 42.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,706 INFO L158 Benchmark]: TraceAbstraction took 364003.46ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 43.0MB in the end (delta: -1.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-12 23:59:00,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.62ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 44.2MB in the end (delta: -17.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.05ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.22ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.60ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 42.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 364003.46ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 43.0MB in the end (delta: -1.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:59:00,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cbfe0f-2c45-4697-82d3-aa45b2d3e075/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null