./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 01:40:38,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:40:38,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:40:38,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:40:38,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:40:38,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:40:38,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:40:38,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:40:38,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:40:38,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:40:38,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:40:38,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:40:38,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:40:38,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:40:38,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:40:38,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:40:38,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:40:38,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:40:38,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:40:38,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:40:38,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:40:38,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:40:38,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:40:38,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:40:38,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:40:38,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:40:38,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:40:38,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:40:38,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:40:38,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:40:38,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:40:38,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:40:38,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:40:38,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:40:38,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:40:38,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:40:38,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:40:38,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:40:38,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:40:38,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:40:38,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:40:38,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-18 01:40:38,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:40:38,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:40:38,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:40:38,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:40:38,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:40:38,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:40:38,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:40:38,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:40:38,294 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:40:38,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:40:38,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:40:38,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:40:38,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:40:38,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:40:38,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:40:38,297 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 01:40:38,297 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 01:40:38,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 01:40:38,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:40:38,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 01:40:38,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:40:38,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:40:38,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:40:38,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:40:38,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:40:38,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:40:38,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:40:38,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:40:38,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:40:38,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:40:38,302 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:40:38,303 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:40:38,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:40:38,303 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:40:38,304 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:40:38,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-11-18 01:40:38,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:40:38,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:40:38,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:40:38,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:40:38,672 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:40:38,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/pthread/queue_longer.i [2022-11-18 01:40:38,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/data/407cc8926/9c05ae06fd44429d8446962aea822ef9/FLAG36376377c [2022-11-18 01:40:39,345 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:40:39,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i [2022-11-18 01:40:39,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/data/407cc8926/9c05ae06fd44429d8446962aea822ef9/FLAG36376377c [2022-11-18 01:40:39,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/data/407cc8926/9c05ae06fd44429d8446962aea822ef9 [2022-11-18 01:40:39,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:40:39,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:40:39,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:40:39,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:40:39,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:40:39,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:40:39" (1/1) ... [2022-11-18 01:40:39,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cb2792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:39, skipping insertion in model container [2022-11-18 01:40:39,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:40:39" (1/1) ... [2022-11-18 01:40:39,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:40:39,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:40:40,351 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-18 01:40:40,362 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-18 01:40:40,372 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-18 01:40:40,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:40:40,387 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:40:40,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-18 01:40:40,432 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-18 01:40:40,435 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-18 01:40:40,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:40:40,491 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:40:40,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40 WrapperNode [2022-11-18 01:40:40,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:40:40,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:40:40,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:40:40,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:40:40,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,587 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2022-11-18 01:40:40,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:40:40,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:40:40,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:40:40,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:40:40,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:40:40,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:40:40,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:40:40,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:40:40,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (1/1) ... [2022-11-18 01:40:40,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:40:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:40:40,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:40:40,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:40:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-18 01:40:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-18 01:40:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-18 01:40:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-18 01:40:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:40:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:40:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:40:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:40:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:40:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:40:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:40:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:40:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:40:40,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:40:41,034 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:40:41,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:40:41,707 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:40:41,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:40:41,718 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 01:40:41,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:40:41 BoogieIcfgContainer [2022-11-18 01:40:41,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:40:41,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:40:41,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:40:41,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:40:41,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:40:39" (1/3) ... [2022-11-18 01:40:41,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7bfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:40:41, skipping insertion in model container [2022-11-18 01:40:41,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:40:40" (2/3) ... [2022-11-18 01:40:41,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7bfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:40:41, skipping insertion in model container [2022-11-18 01:40:41,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:40:41" (3/3) ... [2022-11-18 01:40:41,739 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2022-11-18 01:40:41,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:40:41,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-11-18 01:40:41,762 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:40:41,939 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 01:40:41,995 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:40:41,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:40:41,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:40:41,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:40:42,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:40:42,055 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:40:42,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2022-11-18 01:40:42,078 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a6c5af9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:40:42,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2022-11-18 01:40:42,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:40:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:40:42,701 INFO L85 PathProgramCache]: Analyzing trace with hash 895898084, now seen corresponding path program 1 times [2022-11-18 01:40:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:40:42,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893878747] [2022-11-18 01:40:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:40:42,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:40:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:40:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:40:43,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:40:43,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893878747] [2022-11-18 01:40:43,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893878747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:40:43,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:40:43,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:40:43,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120184369] [2022-11-18 01:40:43,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:40:43,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:40:43,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:40:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:40:43,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:40:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:40:43,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.5) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:40:43,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:40:43,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:40:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:40:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash -341585223, now seen corresponding path program 1 times [2022-11-18 01:40:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:40:43,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849053734] [2022-11-18 01:40:43,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:40:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:40:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:40:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:40:43,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:40:43,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849053734] [2022-11-18 01:40:43,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849053734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:40:43,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:40:43,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 01:40:43,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500932507] [2022-11-18 01:40:43,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:40:43,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 01:40:43,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:40:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 01:40:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 01:40:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:40:43,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:40:43,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:40:43,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:40:43,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:40:43,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:40:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash -202434488, now seen corresponding path program 1 times [2022-11-18 01:40:43,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:40:43,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633205368] [2022-11-18 01:40:43,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:40:43,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:40:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:40:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:40:49,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:40:49,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633205368] [2022-11-18 01:40:49,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633205368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:40:49,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:40:49,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-18 01:40:49,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207736887] [2022-11-18 01:40:49,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:40:49,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 01:40:49,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:40:49,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 01:40:49,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-11-18 01:40:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:49,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:40:49,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:40:49,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:49,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:40:49,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:40:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:40:53,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:40:53,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:40:53,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:40:53,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1940602495, now seen corresponding path program 1 times [2022-11-18 01:40:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:40:53,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401999127] [2022-11-18 01:40:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:40:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:40:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:40:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:40:59,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:40:59,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401999127] [2022-11-18 01:40:59,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401999127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:40:59,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:40:59,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 01:40:59,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586794991] [2022-11-18 01:40:59,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:40:59,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 01:40:59,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:40:59,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 01:40:59,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2022-11-18 01:40:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:59,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:40:59,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:40:59,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:40:59,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:40:59,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:40:59,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 01:41:04,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 01:41:04,926 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:04,927 INFO L85 PathProgramCache]: Analyzing trace with hash -376501930, now seen corresponding path program 1 times [2022-11-18 01:41:04,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:04,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809008356] [2022-11-18 01:41:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:04,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:05,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:05,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809008356] [2022-11-18 01:41:05,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809008356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:05,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:05,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 01:41:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193085526] [2022-11-18 01:41:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:05,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 01:41:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 01:41:05,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 01:41:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:05,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:05,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:05,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:05,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-18 01:41:05,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:05,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 01:41:05,835 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:05,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash 307464179, now seen corresponding path program 1 times [2022-11-18 01:41:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:05,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199463967] [2022-11-18 01:41:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 01:41:05,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:05,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199463967] [2022-11-18 01:41:05,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199463967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:05,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:05,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:41:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374669614] [2022-11-18 01:41:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:05,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:41:05,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:05,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:41:05,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:41:05,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:05,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 78.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:05,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:06,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 01:41:06,219 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:06,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:06,220 INFO L85 PathProgramCache]: Analyzing trace with hash 307464180, now seen corresponding path program 1 times [2022-11-18 01:41:06,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:06,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995333351] [2022-11-18 01:41:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:06,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:06,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:06,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995333351] [2022-11-18 01:41:06,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995333351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:06,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:06,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:41:06,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009109098] [2022-11-18 01:41:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:06,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:41:06,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:41:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:41:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:06,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:06,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:06,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:06,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:06,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:06,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:06,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 01:41:07,393 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:07,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:07,393 INFO L85 PathProgramCache]: Analyzing trace with hash 393158268, now seen corresponding path program 1 times [2022-11-18 01:41:07,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:07,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766210816] [2022-11-18 01:41:07,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:07,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 01:41:07,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766210816] [2022-11-18 01:41:07,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766210816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:07,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:07,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:41:07,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880876946] [2022-11-18 01:41:07,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:07,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:41:07,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:07,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:41:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:41:07,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:07,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:07,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 01:41:07,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:07,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:07,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1687588580, now seen corresponding path program 1 times [2022-11-18 01:41:07,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:07,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937086289] [2022-11-18 01:41:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-18 01:41:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:08,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937086289] [2022-11-18 01:41:08,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937086289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:08,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:08,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:41:08,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658524630] [2022-11-18 01:41:08,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:08,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:41:08,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:41:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:41:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:08,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:08,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 101.0) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:08,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:08,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:08,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 01:41:08,266 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:08,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:08,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1687588579, now seen corresponding path program 1 times [2022-11-18 01:41:08,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:08,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106538011] [2022-11-18 01:41:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:08,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 01:41:12,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:12,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106538011] [2022-11-18 01:41:12,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106538011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:41:12,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:41:12,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-18 01:41:12,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127129584] [2022-11-18 01:41:12,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:41:12,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 01:41:12,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 01:41:12,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-11-18 01:41:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:12,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:12,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.333333333333334) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:12,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:12,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:41:15,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 01:41:15,706 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -414012028, now seen corresponding path program 1 times [2022-11-18 01:41:15,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:15,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304337816] [2022-11-18 01:41:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:23,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:23,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304337816] [2022-11-18 01:41:23,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304337816] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:23,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976099146] [2022-11-18 01:41:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:23,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:23,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:23,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:41:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:23,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 01:41:23,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:41:23,662 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:41:23,683 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:41:23,683 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:41:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:41:23,713 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:41:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:25,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:31,309 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:31,310 INFO L350 Elim1Store]: Elim1 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 48 treesize of output 52 [2022-11-18 01:41:31,337 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:31,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2022-11-18 01:41:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:31,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976099146] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:31,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:31,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 7, 7] total 47 [2022-11-18 01:41:31,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037294948] [2022-11-18 01:41:31,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:31,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-18 01:41:31,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-18 01:41:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1951, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 01:41:31,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:31,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:31,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 14.319148936170214) internal successors, (673), 47 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:31,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:31,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:31,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:31,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:41:31,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:41:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:40,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:41:40,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 01:41:40,329 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:41:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:41:40,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1937915059, now seen corresponding path program 1 times [2022-11-18 01:41:40,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:41:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223746404] [2022-11-18 01:41:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:41:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-18 01:41:47,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:41:47,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223746404] [2022-11-18 01:41:47,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223746404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:41:47,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014142079] [2022-11-18 01:41:47,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:41:47,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:41:47,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:47,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:41:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:41:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:41:47,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-18 01:41:47,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:41:47,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:41:47,759 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:41:47,781 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:41:47,781 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:41:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:41:47,797 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:41:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:50,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:41:52,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:52,014 INFO L350 Elim1Store]: Elim1 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 48 treesize of output 52 [2022-11-18 01:41:52,032 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:41:52,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2022-11-18 01:41:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:41:52,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014142079] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:41:52,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:41:52,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 11, 11] total 56 [2022-11-18 01:41:52,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766642545] [2022-11-18 01:41:52,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:41:52,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-11-18 01:41:52,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:41:52,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-11-18 01:41:52,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=2800, Unknown=0, NotChecked=0, Total=3080 [2022-11-18 01:41:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:52,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:41:52,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 12.857142857142858) internal successors, (720), 56 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:41:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:41:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:41:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:41:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:41:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:02,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:42:03,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 01:42:03,017 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:42:03,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1300788390, now seen corresponding path program 1 times [2022-11-18 01:42:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:03,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110301246] [2022-11-18 01:42:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-11-18 01:42:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110301246] [2022-11-18 01:42:03,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110301246] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293516722] [2022-11-18 01:42:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:03,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:03,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:42:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:03,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 01:42:03,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-11-18 01:42:03,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:42:03,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293516722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:42:03,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:42:03,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 01:42:03,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681462393] [2022-11-18 01:42:03,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:42:03,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:42:03,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:42:03,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:42:03,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:42:03,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:03,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:42:03,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:42:03,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-18 01:42:04,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 01:42:04,239 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:42:04,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:04,240 INFO L85 PathProgramCache]: Analyzing trace with hash 771892468, now seen corresponding path program 1 times [2022-11-18 01:42:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:04,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995471940] [2022-11-18 01:42:04,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:04,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-11-18 01:42:04,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:04,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995471940] [2022-11-18 01:42:04,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995471940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:04,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662946851] [2022-11-18 01:42:04,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:04,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:04,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:04,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:42:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:04,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 01:42:04,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-11-18 01:42:04,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:42:04,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662946851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:42:04,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:42:04,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 01:42:04,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611690797] [2022-11-18 01:42:04,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:42:04,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:42:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:42:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:42:04,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:42:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:42:04,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 109.5) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:42:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:05,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:42:05,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:05,384 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:42:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash -316514893, now seen corresponding path program 1 times [2022-11-18 01:42:05,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:05,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954102580] [2022-11-18 01:42:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:05,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-11-18 01:42:06,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954102580] [2022-11-18 01:42:06,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954102580] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214363444] [2022-11-18 01:42:06,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:06,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:06,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:06,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:06,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:42:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:06,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 01:42:06,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-11-18 01:42:08,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:42:10,415 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:42:10,416 INFO L350 Elim1Store]: Elim1 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 20 [2022-11-18 01:42:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-11-18 01:42:10,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214363444] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:42:10,507 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:42:10,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 22 [2022-11-18 01:42:10,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209738117] [2022-11-18 01:42:10,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:42:10,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 01:42:10,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:42:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 01:42:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:42:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:10,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:42:10,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 29.227272727272727) internal successors, (643), 23 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:42:10,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:10,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:10,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:10,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:10,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:10,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:42:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:42:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:42:11,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:42:11,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:11,437 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:42:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:42:11,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2127701326, now seen corresponding path program 1 times [2022-11-18 01:42:11,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:42:11,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237259853] [2022-11-18 01:42:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:11,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:42:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 57 proven. 137 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-18 01:42:27,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:42:27,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237259853] [2022-11-18 01:42:27,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237259853] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:42:27,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382700753] [2022-11-18 01:42:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:42:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:42:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:42:27,303 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:42:27,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:42:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:42:27,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 138 conjunts are in the unsatisfiable core [2022-11-18 01:42:27,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:42:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:28,061 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:42:28,082 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:42:28,083 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:42:28,109 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:42:28,110 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 11 [2022-11-18 01:42:28,131 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:42:30,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 16 [2022-11-18 01:42:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:30,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 19 [2022-11-18 01:42:32,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:42:32,117 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-11-18 01:42:32,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 45 treesize of output 35 [2022-11-18 01:42:32,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 30 [2022-11-18 01:42:33,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 27 [2022-11-18 01:42:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:34,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 38 [2022-11-18 01:42:37,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 38 [2022-11-18 01:42:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:38,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 34 [2022-11-18 01:42:39,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 34 [2022-11-18 01:42:40,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:42:40,453 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-11-18 01:42:40,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 71 treesize of output 49 [2022-11-18 01:42:40,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 63 treesize of output 44 [2022-11-18 01:42:41,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 81 treesize of output 41 [2022-11-18 01:42:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:42,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 65 treesize of output 59 [2022-11-18 01:42:44,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:42:44,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 72 treesize of output 47 [2022-11-18 01:42:44,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 72 treesize of output 47 [2022-11-18 01:42:45,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2022-11-18 01:42:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 25 proven. 169 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-18 01:42:46,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:42:50,537 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1469 (Array Int Int))) (<= (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_1469 (Array Int Int))) (<= 0 (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset|))))) is different from false [2022-11-18 01:42:50,630 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604) (+ |c_t1Thread1of1ForFork1_enqueue_#t~post41#1| 1)))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1469 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* 4 (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse1))) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_1469 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* 4 (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse1))))))) is different from false [2022-11-18 01:43:26,661 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse5 (select |c_#length| |c_~#queue~0.base|)) (.cse3 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1458 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse6 (select .cse0 |c_~#queue~0.base|))) (let ((.cse7 (* (select .cse6 .cse3) 4))) (or (forall ((v_ArrVal_1464 Int)) (let ((.cse1 (store .cse6 (+ .cse7 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse4 (select .cse1 .cse3))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store .cse0 |c_~#queue~0.base| (store (store .cse1 .cse2 v_ArrVal_1466) .cse3 (+ .cse4 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset| 4) .cse5)) (= 400 .cse4))))) (not (<= (+ .cse7 |c_~#queue~0.offset| 4) .cse5))))))) (forall ((v_ArrVal_1458 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse11 (select .cse8 |c_~#queue~0.base|))) (let ((.cse12 (* (select .cse11 .cse3) 4))) (or (forall ((v_ArrVal_1464 Int)) (let ((.cse9 (store .cse11 (+ .cse12 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse10 (select .cse9 .cse3))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store .cse8 |c_~#queue~0.base| (store (store .cse9 .cse2 v_ArrVal_1466) .cse3 (+ .cse10 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset|))) (= 400 .cse10))))) (not (<= (+ .cse12 |c_~#queue~0.offset| 4) .cse5))))))))) is different from false [2022-11-18 01:43:31,111 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 1608 |c_~#queue~0.offset|)) (.cse5 (select |c_#length| |c_~#queue~0.base|)) (.cse4 (+ |c_~#queue~0.offset| 1604)) (.cse8 (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604) (+ |c_t1Thread1of1ForFork1_enqueue_#t~mem40#1| 1))))) (and (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int))) (let ((.cse1 (store (store .cse8 |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse6 (select .cse1 |c_~#queue~0.base|))) (let ((.cse7 (* 4 (select .cse6 .cse4)))) (or (forall ((v_ArrVal_1464 Int)) (let ((.cse2 (store .cse6 (+ .cse7 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse0 (select .cse2 .cse4))) (or (= 400 .cse0) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store .cse1 |c_~#queue~0.base| (store (store .cse2 .cse3 v_ArrVal_1466) .cse4 (+ .cse0 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse4) 4) 4) .cse5)))))) (not (<= (+ .cse7 |c_~#queue~0.offset| 4) .cse5))))))) (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int))) (let ((.cse10 (store (store .cse8 |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse12 (select .cse10 |c_~#queue~0.base|))) (let ((.cse13 (* 4 (select .cse12 .cse4)))) (or (forall ((v_ArrVal_1464 Int)) (let ((.cse11 (store .cse12 (+ .cse13 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse9 (select .cse11 .cse4))) (or (= 400 .cse9) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store .cse10 |c_~#queue~0.base| (store (store .cse11 .cse3 v_ArrVal_1466) .cse4 (+ .cse9 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse4) 4)))))))) (not (<= (+ .cse13 |c_~#queue~0.offset| 4) .cse5))))))))) is different from false [2022-11-18 01:43:31,184 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 1608 |c_~#queue~0.offset|)) (.cse7 (select |c_#length| |c_~#queue~0.base|)) (.cse4 (+ |c_~#queue~0.offset| 1604)) (.cse8 (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse14 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse15 (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604))) (store .cse14 .cse15 (+ (select .cse14 .cse15) 1)))))) (and (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int))) (let ((.cse1 (store (store .cse8 |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse5 (select .cse1 |c_~#queue~0.base|))) (let ((.cse6 (* (select .cse5 .cse4) 4))) (or (forall ((v_ArrVal_1464 Int)) (let ((.cse2 (store .cse5 (+ .cse6 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse0 (select .cse2 .cse4))) (or (= 400 .cse0) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store .cse1 |c_~#queue~0.base| (store (store .cse2 .cse3 v_ArrVal_1466) .cse4 (+ .cse0 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset|))))))) (not (<= (+ .cse6 |c_~#queue~0.offset| 4) .cse7))))))) (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int))) (let ((.cse11 (store (store .cse8 |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse13 (select .cse11 |c_~#queue~0.base|))) (let ((.cse9 (* (select .cse13 .cse4) 4))) (or (not (<= (+ .cse9 |c_~#queue~0.offset| 4) .cse7)) (forall ((v_ArrVal_1464 Int)) (let ((.cse12 (store .cse13 (+ .cse9 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse10 (select .cse12 .cse4))) (or (= 400 .cse10) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store .cse11 |c_~#queue~0.base| (store (store .cse12 .cse3 v_ArrVal_1466) .cse4 (+ .cse10 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset| 4) .cse7))))))))))))) is different from false [2022-11-18 01:43:55,541 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:43:57,930 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#length| |c_~#queue~0.base|)) (.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1450 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1450))) (let ((.cse11 (select .cse8 |c_~#queue~0.base|))) (let ((.cse12 (+ (* (select .cse11 .cse5) 4) |c_~#queue~0.offset|))) (or (forall ((v_ArrVal_1451 Int)) (let ((.cse9 (store .cse11 .cse12 v_ArrVal_1451))) (let ((.cse10 (select .cse9 .cse5))) (or (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int)) (v_ArrVal_1453 Int)) (let ((.cse2 (store (store (store .cse8 |c_~#queue~0.base| (store (store .cse9 .cse4 v_ArrVal_1453) .cse5 (+ .cse10 1))) |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse7 (select .cse2 |c_~#queue~0.base|))) (let ((.cse0 (* 4 (select .cse7 .cse5)))) (or (not (<= (+ .cse0 |c_~#queue~0.offset| 4) .cse1)) (forall ((v_ArrVal_1464 Int)) (let ((.cse3 (store .cse7 (+ .cse0 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse6 (select .cse3 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (store (store .cse3 .cse4 v_ArrVal_1466) .cse5 (+ .cse6 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset| 4) .cse1)) (= 400 .cse6)))))))))) (= 400 .cse10))))) (not (<= 0 .cse12))))))) (forall ((v_ArrVal_1450 (Array Int Int))) (let ((.cse19 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1450))) (let ((.cse21 (select .cse19 |c_~#queue~0.base|))) (let ((.cse22 (+ (* (select .cse21 .cse5) 4) |c_~#queue~0.offset|))) (or (forall ((v_ArrVal_1451 Int)) (let ((.cse20 (store .cse21 .cse22 v_ArrVal_1451))) (let ((.cse13 (select .cse20 .cse5))) (or (= 400 .cse13) (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int)) (v_ArrVal_1453 Int)) (let ((.cse15 (store (store (store .cse19 |c_~#queue~0.base| (store (store .cse20 .cse4 v_ArrVal_1453) .cse5 (+ .cse13 1))) |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse18 (select .cse15 |c_~#queue~0.base|))) (let ((.cse14 (* 4 (select .cse18 .cse5)))) (or (not (<= (+ .cse14 |c_~#queue~0.offset| 4) .cse1)) (forall ((v_ArrVal_1464 Int)) (let ((.cse16 (store .cse18 (+ .cse14 |c_~#queue~0.offset|) v_ArrVal_1464))) (let ((.cse17 (select .cse16 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store .cse15 |c_~#queue~0.base| (store (store .cse16 .cse4 v_ArrVal_1466) .cse5 (+ .cse17 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset|))) (= 400 .cse17)))))))))))))) (not (<= 0 .cse22))))))))) is different from false [2022-11-18 01:44:00,214 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#length| |c_~#queue~0.base|)) (.cse5 (+ 1608 |c_~#queue~0.offset|)) (.cse6 (+ |c_~#queue~0.offset| 1604)) (.cse13 (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604) (+ |c_t1Thread1of1ForFork1_enqueue_#t~mem40#1| 1))))) (and (forall ((v_ArrVal_1450 (Array Int Int))) (let ((.cse9 (store .cse13 |c_~#stored_elements~0.base| v_ArrVal_1450))) (let ((.cse12 (select .cse9 |c_~#queue~0.base|))) (let ((.cse0 (+ |c_~#queue~0.offset| (* (select .cse12 .cse6) 4)))) (or (not (<= 0 .cse0)) (forall ((v_ArrVal_1451 Int)) (let ((.cse10 (store .cse12 .cse0 v_ArrVal_1451))) (let ((.cse11 (select .cse10 .cse6))) (or (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int)) (v_ArrVal_1453 Int)) (let ((.cse3 (store (store (store .cse9 |c_~#queue~0.base| (store (store .cse10 .cse5 v_ArrVal_1453) .cse6 (+ 1 .cse11))) |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse8 (select .cse3 |c_~#queue~0.base|))) (let ((.cse1 (* 4 (select .cse8 .cse6)))) (or (not (<= (+ |c_~#queue~0.offset| 4 .cse1) .cse2)) (forall ((v_ArrVal_1464 Int)) (let ((.cse4 (store .cse8 (+ |c_~#queue~0.offset| .cse1) v_ArrVal_1464))) (let ((.cse7 (select .cse4 .cse6))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store .cse3 |c_~#queue~0.base| (store (store .cse4 .cse5 v_ArrVal_1466) .cse6 (+ .cse7 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))) (= 400 .cse7)))))))))) (= 400 .cse11)))))))))) (forall ((v_ArrVal_1450 (Array Int Int))) (let ((.cse20 (store .cse13 |c_~#stored_elements~0.base| v_ArrVal_1450))) (let ((.cse23 (select .cse20 |c_~#queue~0.base|))) (let ((.cse14 (+ |c_~#queue~0.offset| (* (select .cse23 .cse6) 4)))) (or (not (<= 0 .cse14)) (forall ((v_ArrVal_1451 Int)) (let ((.cse21 (store .cse23 .cse14 v_ArrVal_1451))) (let ((.cse22 (select .cse21 .cse6))) (or (forall ((v_ArrVal_1458 (Array Int Int)) (v_ArrVal_1457 (Array Int Int)) (v_ArrVal_1453 Int)) (let ((.cse16 (store (store (store .cse20 |c_~#queue~0.base| (store (store .cse21 .cse5 v_ArrVal_1453) .cse6 (+ 1 .cse22))) |c_~#stored_elements~0.base| v_ArrVal_1457) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_1458))) (let ((.cse19 (select .cse16 |c_~#queue~0.base|))) (let ((.cse15 (* 4 (select .cse19 .cse6)))) (or (not (<= (+ |c_~#queue~0.offset| 4 .cse15) .cse2)) (forall ((v_ArrVal_1464 Int)) (let ((.cse17 (store .cse19 (+ |c_~#queue~0.offset| .cse15) v_ArrVal_1464))) (let ((.cse18 (select .cse17 .cse6))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store .cse16 |c_~#queue~0.base| (store (store .cse17 .cse5 v_ArrVal_1466) .cse6 (+ .cse18 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse2)) (= 400 .cse18)))))))))) (= 400 .cse22)))))))))))) is different from false [2022-11-18 01:44:04,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:44:04,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2982 treesize of output 1440 [2022-11-18 01:44:04,232 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:44:04,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4056 treesize of output 3966 [2022-11-18 01:44:04,278 INFO L350 Elim1Store]: Elim1 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 4074 treesize of output 3954 [2022-11-18 01:44:04,320 INFO L350 Elim1Store]: Elim1 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 3954 treesize of output 3890 [2022-11-18 01:44:04,366 INFO L350 Elim1Store]: Elim1 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 3890 treesize of output 3842 [2022-11-18 01:44:04,409 INFO L350 Elim1Store]: Elim1 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 3954 treesize of output 3834 [2022-11-18 01:44:04,460 INFO L350 Elim1Store]: Elim1 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 4032 treesize of output 3864 [2022-11-18 01:44:04,513 INFO L350 Elim1Store]: Elim1 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 4004 treesize of output 3892 [2022-11-18 01:44:04,566 INFO L350 Elim1Store]: Elim1 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 4172 treesize of output 3948 [2022-11-18 01:44:04,622 INFO L350 Elim1Store]: Elim1 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 4047 treesize of output 3963 [2022-11-18 01:44:04,732 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-18 01:44:09,702 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:44:09,703 INFO L350 Elim1Store]: Elim1 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 1188 treesize of output 880 [2022-11-18 01:44:20,291 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:44:20,291 INFO L350 Elim1Store]: Elim1 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 118 treesize of output 118 [2022-11-18 01:44:20,366 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:44:20,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 152 [2022-11-18 01:44:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 150 trivial. 110 not checked. [2022-11-18 01:44:21,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382700753] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:44:21,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:44:21,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43, 48] total 134 [2022-11-18 01:44:21,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548869968] [2022-11-18 01:44:21,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:44:21,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-11-18 01:44:21,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:44:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-11-18 01:44:21,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=875, Invalid=15024, Unknown=131, NotChecked=1792, Total=17822 [2022-11-18 01:44:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:21,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:44:21,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 6.611940298507463) internal successors, (886), 134 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:44:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:44:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:44:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:44:46,797 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse42 (select |c_#memory_int| |c_ULTIMATE.start_empty_~q#1.base|)) (.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|)) (.cse24 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse45 (select |c_#memory_int| |c_ULTIMATE.start_empty_#in~q#1.base|)) (.cse14 ((as const (Array Int Int)) 0))) (let ((.cse46 (@diff .cse45 .cse14)) (.cse23 (@diff .cse24 .cse14)) (.cse51 (@diff .cse0 .cse14)) (.cse41 (@diff .cse42 .cse14))) (let ((.cse49 (store .cse42 .cse41 0)) (.cse56 (store .cse0 .cse51 0)) (.cse48 (store .cse24 .cse23 0)) (.cse33 (store .cse45 .cse46 0)) (.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse5 (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604))) (let ((.cse20 (select .cse7 .cse5)) (.cse32 (@diff .cse33 .cse14)) (.cse28 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 1604)) (.cse47 (@diff .cse48 .cse14)) (.cse1 (@diff .cse56 .cse14)) (.cse50 (@diff .cse49 .cse14))) (let ((.cse39 (store .cse49 .cse50 0)) (.cse43 (store .cse56 .cse1 0)) (.cse15 (store .cse48 .cse47 0)) (.cse52 (* 4 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|)) (.cse54 (* (select .cse0 .cse28) 4)) (.cse18 (store .cse33 .cse32 0)) (.cse53 (select |c_#length| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse55 (* .cse20 4))) (let ((.cse8 (+ .cse55 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse12 (<= (+ .cse55 4 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) .cse53)) (.cse17 (= 400 .cse20)) (.cse19 (@diff .cse18 .cse14)) (.cse25 (<= (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| .cse54 4) (select |c_#length| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|))) (.cse21 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| .cse54)) (.cse4 (+ 1608 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse13 (<= (+ .cse52 4 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) .cse53)) (.cse16 (@diff .cse15 .cse14)) (.cse6 (+ |c_~#queue~0.offset| 1604)) (.cse36 (+ .cse52 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse44 (@diff .cse43 .cse14)) (.cse11 (select |c_#length| |c_~#queue~0.base|)) (.cse40 (@diff .cse39 .cse14))) (and (or (= (select .cse0 .cse1) 0) (<= .cse1 1600) (<= 1608 .cse1)) (= (select |c_#length| |c_ULTIMATE.start_main_~#id1~0#1.base|) 4) (or (and (forall ((v_ArrVal_1464 Int)) (let ((.cse3 (store .cse7 .cse8 v_ArrVal_1464))) (let ((.cse2 (select .cse3 .cse5))) (or (= 400 .cse2) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse3 .cse4 v_ArrVal_1466) .cse5 (+ .cse2 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse9 (store .cse7 .cse8 v_ArrVal_1464))) (let ((.cse10 (select .cse9 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse9 .cse4 v_ArrVal_1466) .cse5 (+ .cse10 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse11)) (= 400 .cse10)))))) (not .cse12)) (= |c_ULTIMATE.start_init_#in~q#1.offset| 0) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 0) .cse13 (= .cse14 (store .cse15 .cse16 0)) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (not (= |c_ULTIMATE.start_main_~#id1~0#1.base| |c_ULTIMATE.start_empty_~q#1.base|)) (<= 0 .cse8) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (not .cse17) (<= (select |c_#length| 4) 1612) (or (= .cse14 .cse18) (<= .cse19 1600) (<= 1608 .cse19)) (= |c_~#queue~0.offset| 0) (not (= |c_~#queue~0.base| |c_ULTIMATE.start_main_~#id1~0#1.base|)) .cse12 (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= |c_~#queue~0.offset| |c_ULTIMATE.start_init_#in~q#1.offset|) (= .cse14 (select |c_#memory_int| |c_ULTIMATE.start_init_~q#1.base|)) (not (= .cse20 401)) (<= 1612 (select |c_#length| |c_ULTIMATE.start_empty_#in~q#1.base|)) (= |c_ULTIMATE.start_init_~q#1.offset| 0) (<= 0 .cse21) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 4)) (= .cse20 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|) (= |c_ULTIMATE.start_init_~q#1.offset| |c_~#queue~0.offset|) (= (select .cse7 1600) 0) (<= 5 |c_~#stored_elements~0.base|) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#queue~0.base|)) (or (let ((.cse22 (+ .cse20 1))) (and (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse7 .cse4 v_ArrVal_1466) .cse5 .cse22)) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6)) |c_~#queue~0.offset| 4) .cse11)) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse7 .cse4 v_ArrVal_1466) .cse5 .cse22)) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6)) |c_~#queue~0.offset|))))) .cse17) (or (<= 1608 .cse23) (= (select .cse24 .cse23) 0) (<= .cse23 1600)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_ULTIMATE.start_empty_~q#1.base|)) .cse25 (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 0) (= .cse20 0) (= .cse14 (store .cse18 .cse19 0)) (or (not .cse25) (let ((.cse27 (+ 1608 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|))) (and (forall ((v_ArrVal_1464 Int)) (let ((.cse26 (store .cse0 .cse21 v_ArrVal_1464))) (let ((.cse29 (select .cse26 .cse28))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse26 .cse27 v_ArrVal_1466) .cse28 (+ .cse29 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) 4) .cse11)) (= 400 .cse29))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse30 (store .cse0 .cse21 v_ArrVal_1464))) (let ((.cse31 (select .cse30 .cse28))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse30 .cse27 v_ArrVal_1466) .cse28 (+ .cse31 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4)))) (= 400 .cse31)))))))) (<= |c_~#queue~0.base| 4) (or (<= .cse32 1600) (= .cse14 .cse33) (<= 1608 .cse32)) (or (and (forall ((v_ArrVal_1464 Int)) (let ((.cse35 (store .cse7 .cse36 v_ArrVal_1464))) (let ((.cse34 (select .cse35 .cse5))) (or (= 400 .cse34) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse35 .cse4 v_ArrVal_1466) .cse5 (+ .cse34 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse11)))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse37 (store .cse7 .cse36 v_ArrVal_1464))) (let ((.cse38 (select .cse37 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse37 .cse4 v_ArrVal_1466) .cse5 (+ .cse38 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))) (= 400 .cse38)))))) (not .cse13)) (= |c_ULTIMATE.start_empty_#in~q#1.offset| 0) (or (= .cse14 .cse15) (<= .cse16 1600) (<= 1608 .cse16)) (= (select |c_#valid| 4) 1) (not (= (select .cse24 .cse6) 401)) (= (select .cse24 1600) 0) (= |c_~#queue~0.base| |c_ULTIMATE.start_empty_#in~q#1.base|) (= (select .cse0 1600) 0) (<= 0 .cse36) (= (select |c_#length| |c_ULTIMATE.start_main_~#id2~0#1.base|) 4) (= |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1| 0) (= .cse14 .cse24) (or (= .cse14 .cse39) (<= .cse40 1600) (<= 1608 .cse40)) (or (<= 1608 .cse41) (= .cse14 .cse42) (<= .cse41 1600)) (= .cse14 (store .cse43 .cse44 0)) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_~q#1.base|) (or (= .cse14 .cse45) (<= 1608 .cse46) (<= .cse46 1600)) (or (= (select .cse0 .cse44) 0) (<= 1608 .cse44) (<= .cse44 1600)) (= |c_ULTIMATE.start_empty_~q#1.offset| 0) (not (= 4 (select |c_#length| |c_ULTIMATE.start_empty_~q#1.base|))) (or (<= 1608 .cse47) (<= .cse47 1600) (= .cse14 .cse48)) (= |c_ULTIMATE.start_empty_#in~q#1.offset| |c_~#queue~0.offset|) (or (= .cse14 .cse49) (<= 1608 .cse50) (<= .cse50 1600)) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_#in~q#1.base|) (= |c_~#queue~0.base| |c_ULTIMATE.start_empty_~q#1.base|) (= |c_~#queue~0.base| 4) (<= (+ |c_~#queue~0.offset| 1612) .cse11) (or (= .cse14 .cse0) (<= .cse51 1600) (<= 1608 .cse51)) (= .cse14 (store .cse39 .cse40 0))))))))) is different from true [2022-11-18 01:44:53,971 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse42 (select |c_#memory_int| |c_ULTIMATE.start_empty_~q#1.base|)) (.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|)) (.cse24 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse45 (select |c_#memory_int| |c_ULTIMATE.start_empty_#in~q#1.base|)) (.cse14 ((as const (Array Int Int)) 0))) (let ((.cse46 (@diff .cse45 .cse14)) (.cse23 (@diff .cse24 .cse14)) (.cse51 (@diff .cse0 .cse14)) (.cse41 (@diff .cse42 .cse14))) (let ((.cse49 (store .cse42 .cse41 0)) (.cse56 (store .cse0 .cse51 0)) (.cse48 (store .cse24 .cse23 0)) (.cse33 (store .cse45 .cse46 0)) (.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse5 (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604))) (let ((.cse20 (select .cse7 .cse5)) (.cse32 (@diff .cse33 .cse14)) (.cse28 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 1604)) (.cse47 (@diff .cse48 .cse14)) (.cse1 (@diff .cse56 .cse14)) (.cse50 (@diff .cse49 .cse14))) (let ((.cse39 (store .cse49 .cse50 0)) (.cse43 (store .cse56 .cse1 0)) (.cse15 (store .cse48 .cse47 0)) (.cse52 (* 4 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|)) (.cse54 (* (select .cse0 .cse28) 4)) (.cse18 (store .cse33 .cse32 0)) (.cse53 (select |c_#length| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse55 (* .cse20 4))) (let ((.cse8 (+ .cse55 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse12 (<= (+ .cse55 4 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) .cse53)) (.cse17 (= 400 .cse20)) (.cse19 (@diff .cse18 .cse14)) (.cse25 (<= (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| .cse54 4) (select |c_#length| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|))) (.cse21 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| .cse54)) (.cse4 (+ 1608 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse13 (<= (+ .cse52 4 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) .cse53)) (.cse16 (@diff .cse15 .cse14)) (.cse6 (+ |c_~#queue~0.offset| 1604)) (.cse36 (+ .cse52 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse44 (@diff .cse43 .cse14)) (.cse11 (select |c_#length| |c_~#queue~0.base|)) (.cse40 (@diff .cse39 .cse14))) (and (or (= (select .cse0 .cse1) 0) (<= .cse1 1600) (<= 1608 .cse1)) (= (select |c_#length| |c_ULTIMATE.start_main_~#id1~0#1.base|) 4) (or (and (forall ((v_ArrVal_1464 Int)) (let ((.cse3 (store .cse7 .cse8 v_ArrVal_1464))) (let ((.cse2 (select .cse3 .cse5))) (or (= 400 .cse2) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse3 .cse4 v_ArrVal_1466) .cse5 (+ .cse2 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse9 (store .cse7 .cse8 v_ArrVal_1464))) (let ((.cse10 (select .cse9 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse9 .cse4 v_ArrVal_1466) .cse5 (+ .cse10 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse11)) (= 400 .cse10)))))) (not .cse12)) (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 0) .cse13 (= .cse14 (store .cse15 .cse16 0)) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (not (= |c_ULTIMATE.start_main_~#id1~0#1.base| |c_ULTIMATE.start_empty_~q#1.base|)) (<= 0 .cse8) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (not .cse17) (<= (select |c_#length| 4) 1612) (or (= .cse14 .cse18) (<= .cse19 1600) (<= 1608 .cse19)) (= |c_~#queue~0.offset| 0) (not (= |c_~#queue~0.base| |c_ULTIMATE.start_main_~#id1~0#1.base|)) .cse12 (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= |c_~#queue~0.offset| |c_ULTIMATE.start_init_#in~q#1.offset|) (not (= .cse20 401)) (<= 1612 (select |c_#length| |c_ULTIMATE.start_empty_#in~q#1.base|)) (<= 0 .cse21) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| 4)) (= .cse20 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|) (= |c_ULTIMATE.start_init_~q#1.offset| |c_~#queue~0.offset|) (= (select .cse7 1600) 0) (<= 5 |c_~#stored_elements~0.base|) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#queue~0.base|)) (or (let ((.cse22 (+ .cse20 1))) (and (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse7 .cse4 v_ArrVal_1466) .cse5 .cse22)) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6)) |c_~#queue~0.offset| 4) .cse11)) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse7 .cse4 v_ArrVal_1466) .cse5 .cse22)) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6)) |c_~#queue~0.offset|))))) .cse17) (or (<= 1608 .cse23) (= (select .cse24 .cse23) 0) (<= .cse23 1600)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_ULTIMATE.start_empty_~q#1.base|)) .cse25 (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 0) (= .cse20 0) (= .cse14 (store .cse18 .cse19 0)) (or (not .cse25) (let ((.cse27 (+ 1608 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|))) (and (forall ((v_ArrVal_1464 Int)) (let ((.cse26 (store .cse0 .cse21 v_ArrVal_1464))) (let ((.cse29 (select .cse26 .cse28))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse26 .cse27 v_ArrVal_1466) .cse28 (+ .cse29 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) 4) .cse11)) (= 400 .cse29))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse30 (store .cse0 .cse21 v_ArrVal_1464))) (let ((.cse31 (select .cse30 .cse28))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse30 .cse27 v_ArrVal_1466) .cse28 (+ .cse31 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4)))) (= 400 .cse31)))))))) (or (<= .cse32 1600) (= .cse14 .cse33) (<= 1608 .cse32)) (or (and (forall ((v_ArrVal_1464 Int)) (let ((.cse35 (store .cse7 .cse36 v_ArrVal_1464))) (let ((.cse34 (select .cse35 .cse5))) (or (= 400 .cse34) (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse35 .cse4 v_ArrVal_1466) .cse5 (+ .cse34 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse11)))))) (forall ((v_ArrVal_1464 Int)) (let ((.cse37 (store .cse7 .cse36 v_ArrVal_1464))) (let ((.cse38 (select .cse37 .cse5))) (or (forall ((v_ArrVal_1469 (Array Int Int)) (v_ArrVal_1466 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse37 .cse4 v_ArrVal_1466) .cse5 (+ .cse38 1))) |c_~#stored_elements~0.base| v_ArrVal_1469) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))) (= 400 .cse38)))))) (not .cse13)) (= |c_ULTIMATE.start_empty_#in~q#1.offset| 0) (or (= .cse14 .cse15) (<= .cse16 1600) (<= 1608 .cse16)) (= (select |c_#valid| 4) 1) (not (= (select .cse24 .cse6) 401)) (= (select .cse24 1600) 0) (= |c_~#queue~0.base| |c_ULTIMATE.start_empty_#in~q#1.base|) (= (select .cse0 1600) 0) (<= 0 .cse36) (= (select |c_#length| |c_ULTIMATE.start_main_~#id2~0#1.base|) 4) (= |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1| 0) (or (= .cse14 .cse39) (<= .cse40 1600) (<= 1608 .cse40)) (or (<= 1608 .cse41) (= .cse14 .cse42) (<= .cse41 1600)) (= .cse14 (store .cse43 .cse44 0)) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_~q#1.base|) (or (= .cse14 .cse45) (<= 1608 .cse46) (<= .cse46 1600)) (or (= (select .cse0 .cse44) 0) (<= 1608 .cse44) (<= .cse44 1600)) (= |c_ULTIMATE.start_empty_~q#1.offset| 0) (not (= 4 (select |c_#length| |c_ULTIMATE.start_empty_~q#1.base|))) (or (<= 1608 .cse47) (<= .cse47 1600) (= .cse14 .cse48)) (= |c_ULTIMATE.start_empty_#in~q#1.offset| |c_~#queue~0.offset|) (or (= .cse14 .cse49) (<= 1608 .cse50) (<= .cse50 1600)) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_#in~q#1.base|) (= |c_~#queue~0.base| |c_ULTIMATE.start_empty_~q#1.base|) (= |c_~#queue~0.base| 4) (<= (+ |c_~#queue~0.offset| 1612) .cse11) (or (= .cse14 .cse0) (<= .cse51 1600) (<= 1608 .cse51)) (= .cse14 (store .cse39 .cse40 0))))))))) is different from true [2022-11-18 01:45:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:45:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:45:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:45:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-18 01:45:44,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 01:45:44,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 01:45:44,341 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:45:44,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:45:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash -501189157, now seen corresponding path program 1 times [2022-11-18 01:45:44,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:45:44,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521465301] [2022-11-18 01:45:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:45:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 222 proven. 216 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-11-18 01:45:55,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:45:55,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521465301] [2022-11-18 01:45:55,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521465301] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:45:55,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449244288] [2022-11-18 01:45:55,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:45:55,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:45:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:45:55,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:45:55,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 01:45:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:45:55,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-18 01:45:55,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:45:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:45:56,019 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:45:56,047 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:45:56,048 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:45:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:45:56,070 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:46:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:02,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:46:09,341 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:46:09,342 INFO L350 Elim1Store]: Elim1 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 48 treesize of output 52 [2022-11-18 01:46:09,371 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:46:09,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2022-11-18 01:46:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:09,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449244288] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:46:09,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:46:09,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 23, 23] total 88 [2022-11-18 01:46:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412205951] [2022-11-18 01:46:09,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:46:09,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-11-18 01:46:09,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:09,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-11-18 01:46:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=7046, Unknown=0, NotChecked=0, Total=7656 [2022-11-18 01:46:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:09,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:09,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 14.215909090909092) internal successors, (1251), 88 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:46:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:46:09,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-18 01:46:09,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:46:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:46:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:46:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-18 01:46:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:46:56,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:46:56,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 01:46:56,314 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:46:56,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:56,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1310444895, now seen corresponding path program 2 times [2022-11-18 01:46:56,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:56,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834289273] [2022-11-18 01:46:56,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:47:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 504 proven. 572 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2022-11-18 01:47:21,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:47:21,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834289273] [2022-11-18 01:47:21,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834289273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:47:21,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193241737] [2022-11-18 01:47:21,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:47:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:47:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:47:21,958 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:47:21,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 01:47:22,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:47:22,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:47:22,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1746 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-18 01:47:22,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:47:22,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:47:22,875 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:47:22,906 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:47:22,906 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:47:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:47:22,931 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:47:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 0 proven. 2433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:47:36,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:47:49,730 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:47:49,730 INFO L350 Elim1Store]: Elim1 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 48 treesize of output 52 [2022-11-18 01:47:49,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:47:49,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2022-11-18 01:47:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 0 proven. 2433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:47:50,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193241737] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:47:50,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:47:50,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 49, 49] total 151 [2022-11-18 01:47:50,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923151743] [2022-11-18 01:47:50,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:47:50,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2022-11-18 01:47:50,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:47:50,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2022-11-18 01:47:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1745, Invalid=20905, Unknown=0, NotChecked=0, Total=22650 [2022-11-18 01:47:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:50,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:47:50,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 10.894039735099337) internal successors, (1645), 151 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:47:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:47:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-18 01:47:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:47:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:49:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:49:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:49:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:49:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:49:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-18 01:49:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:49:59,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-11-18 01:49:59,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:49:59,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 01:49:59,808 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:49:59,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:49:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1744017354, now seen corresponding path program 3 times [2022-11-18 01:49:59,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:49:59,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830698059] [2022-11-18 01:49:59,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:49:59,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:50:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:50:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9723 backedges. 603 proven. 1324 refuted. 0 times theorem prover too weak. 7796 trivial. 0 not checked. [2022-11-18 01:50:23,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:50:23,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830698059] [2022-11-18 01:50:23,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830698059] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:50:23,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861048671] [2022-11-18 01:50:23,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:50:23,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:50:23,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:50:23,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:50:23,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 01:50:24,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 01:50:24,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:50:24,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-18 01:50:24,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:50:24,654 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:50:24,654 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 01:50:24,659 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:50:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:24,683 INFO L350 Elim1Store]: Elim1 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 14 [2022-11-18 01:50:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 9723 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 9130 trivial. 0 not checked. [2022-11-18 01:50:34,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:50:34,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861048671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:50:34,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:50:34,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [52] total 59 [2022-11-18 01:50:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885436747] [2022-11-18 01:50:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:50:34,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 01:50:34,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:50:34,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 01:50:34,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=3050, Unknown=0, NotChecked=0, Total=3422 [2022-11-18 01:50:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:34,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:50:34,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:34,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-18 01:50:34,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:50:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-11-18 01:50:34,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:50:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-11-18 01:50:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:40,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 01:50:40,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:50:40,730 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2022-11-18 01:50:40,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:50:40,731 INFO L85 PathProgramCache]: Analyzing trace with hash 290458575, now seen corresponding path program 1 times [2022-11-18 01:50:40,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:50:40,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161186966] [2022-11-18 01:50:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:50:40,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:50:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:50:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9661 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9641 trivial. 0 not checked. [2022-11-18 01:50:41,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:50:41,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161186966] [2022-11-18 01:50:41,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161186966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:50:41,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336020944] [2022-11-18 01:50:41,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:50:41,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:50:41,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:50:41,635 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:50:41,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764214cf-8c44-4d23-960d-8e75b4f6ece2/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 01:50:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:50:42,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 01:50:42,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:50:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9661 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9641 trivial. 0 not checked. [2022-11-18 01:50:46,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:50:49,926 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:50:49,926 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-18 01:50:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 9661 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 9641 trivial. 0 not checked. [2022-11-18 01:50:49,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336020944] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:50:49,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:50:49,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2022-11-18 01:50:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559894995] [2022-11-18 01:50:49,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:50:49,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 01:50:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:50:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 01:50:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:50:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:49,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:50:49,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 33.61538461538461) internal successors, (437), 14 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:50:49,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:50:49,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:49,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-18 01:50:49,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:50:49,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-18 01:50:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-18 01:50:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-11-18 01:50:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:50:49,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.