./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w --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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --- 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-2329fc7 [2022-12-13 08:42:28,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:42:28,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:42:28,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:42:28,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:42:28,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:42:28,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:42:28,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:42:28,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:42:28,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:42:28,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:42:28,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:42:28,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:42:28,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:42:28,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:42:28,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:42:28,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:42:28,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:42:28,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:42:28,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:42:28,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:42:28,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:42:28,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:42:28,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:42:28,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:42:28,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:42:28,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:42:28,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:42:28,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:42:28,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:42:28,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:42:28,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:42:28,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:42:28,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:42:28,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:42:28,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:42:28,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:42:28,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:42:28,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:42:28,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:42:28,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:42:28,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 08:42:28,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:42:28,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:42:28,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:42:28,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:42:28,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:42:28,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:42:28,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:42:28,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:42:28,287 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:42:28,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:42:28,288 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:42:28,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:42:28,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:42:28,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:42:28,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:42:28,289 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 08:42:28,289 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 08:42:28,289 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 08:42:28,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:42:28,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 08:42:28,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:42:28,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:42:28,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:42:28,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:42:28,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:42:28,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:42:28,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:42:28,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:42:28,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:42:28,292 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:42:28,293 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_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b [2022-12-13 08:42:28,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:42:28,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:42:28,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:42:28,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:42:28,494 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:42:28,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-12-13 08:42:31,107 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:42:31,257 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:42:31,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-12-13 08:42:31,266 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/data/291cfc2b2/26aac5ba900b4c6aa5e30fb07da46e0a/FLAG79bb2bffe [2022-12-13 08:42:31,278 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/data/291cfc2b2/26aac5ba900b4c6aa5e30fb07da46e0a [2022-12-13 08:42:31,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:42:31,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:42:31,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:42:31,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:42:31,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:42:31,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30166553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31, skipping insertion in model container [2022-12-13 08:42:31,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:42:31,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:42:31,561 WARN L237 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_7b98d57d-0601-48b7-9f05-98611531f5cf/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-12-13 08:42:31,569 WARN L237 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_7b98d57d-0601-48b7-9f05-98611531f5cf/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-12-13 08:42:31,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:42:31,586 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:42:31,620 WARN L237 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_7b98d57d-0601-48b7-9f05-98611531f5cf/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-12-13 08:42:31,624 WARN L237 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_7b98d57d-0601-48b7-9f05-98611531f5cf/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-12-13 08:42:31,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:42:31,669 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:42:31,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31 WrapperNode [2022-12-13 08:42:31,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:42:31,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:42:31,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:42:31,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:42:31,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,715 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2022-12-13 08:42:31,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:42:31,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:42:31,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:42:31,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:42:31,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:42:31,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:42:31,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:42:31,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:42:31,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (1/1) ... [2022-12-13 08:42:31,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:42:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:42:31,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:42:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:42:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:42:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 08:42:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:42:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:42:31,813 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:42:31,915 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:42:31,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:42:32,225 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:42:32,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:42:32,458 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 08:42:32,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:42:32 BoogieIcfgContainer [2022-12-13 08:42:32,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:42:32,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:42:32,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:42:32,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:42:32,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:42:31" (1/3) ... [2022-12-13 08:42:32,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab1dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:42:32, skipping insertion in model container [2022-12-13 08:42:32,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:42:31" (2/3) ... [2022-12-13 08:42:32,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab1dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:42:32, skipping insertion in model container [2022-12-13 08:42:32,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:42:32" (3/3) ... [2022-12-13 08:42:32,467 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2022-12-13 08:42:32,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:42:32,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-12-13 08:42:32,482 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:42:32,582 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:42:32,616 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:42:32,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:42:32,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:42:32,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:42:32,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:42:32,652 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:42:32,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-12-13 08:42:32,666 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;@2dd648be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:42:32,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-12-13 08:42:33,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:33,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1408615802, now seen corresponding path program 1 times [2022-12-13 08:42:33,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:33,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660479334] [2022-12-13 08:42:33,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:33,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:33,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:33,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660479334] [2022-12-13 08:42:33,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660479334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:33,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:33,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:42:33,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690948125] [2022-12-13 08:42:33,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:33,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:42:33,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:33,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:42:33,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:42:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:33,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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) [2022-12-13 08:42:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:42:33,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:33,271 INFO L85 PathProgramCache]: Analyzing trace with hash 862677834, now seen corresponding path program 1 times [2022-12-13 08:42:33,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:33,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75988709] [2022-12-13 08:42:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:33,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:33,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:33,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75988709] [2022-12-13 08:42:33,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75988709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:33,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:33,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:42:33,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779910315] [2022-12-13 08:42:33,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:33,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:42:33,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:33,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:42:33,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:42:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,432 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:33,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-12-13 08:42:33,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:33,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 08:42:33,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:33,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:33,680 INFO L85 PathProgramCache]: Analyzing trace with hash 862677835, now seen corresponding path program 1 times [2022-12-13 08:42:33,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:33,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744172116] [2022-12-13 08:42:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:33,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:33,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744172116] [2022-12-13 08:42:33,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744172116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:33,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:33,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:42:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671630525] [2022-12-13 08:42:33,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:33,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:42:33,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:42:33,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:42:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:33,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-12-13 08:42:33,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:33,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:33,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 08:42:34,055 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:34,055 INFO L85 PathProgramCache]: Analyzing trace with hash 862677836, now seen corresponding path program 1 times [2022-12-13 08:42:34,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:34,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613970023] [2022-12-13 08:42:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:34,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:34,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613970023] [2022-12-13 08:42:34,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613970023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:34,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:34,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:42:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759514742] [2022-12-13 08:42:34,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:34,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 08:42:34,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 08:42:34,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 08:42:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:34,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2022-12-13 08:42:34,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:34,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 08:42:34,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:34,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 862677837, now seen corresponding path program 1 times [2022-12-13 08:42:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:34,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080651967] [2022-12-13 08:42:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:34,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:34,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080651967] [2022-12-13 08:42:34,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080651967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:34,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:34,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:42:34,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667948073] [2022-12-13 08:42:34,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:34,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:42:34,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:34,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:42:34,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:34,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-12-13 08:42:34,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:34,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:34,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 08:42:34,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:34,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:34,799 INFO L85 PathProgramCache]: Analyzing trace with hash 862677840, now seen corresponding path program 1 times [2022-12-13 08:42:34,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23016572] [2022-12-13 08:42:34,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:34,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:34,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:34,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23016572] [2022-12-13 08:42:34,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23016572] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:34,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:34,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:42:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628700500] [2022-12-13 08:42:34,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:34,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:42:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:34,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:42:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:42:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:34,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:34,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:34,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 08:42:34,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:34,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:34,976 INFO L85 PathProgramCache]: Analyzing trace with hash 862677841, now seen corresponding path program 1 times [2022-12-13 08:42:34,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:34,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525113057] [2022-12-13 08:42:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:35,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:35,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525113057] [2022-12-13 08:42:35,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525113057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:35,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:35,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:42:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790941217] [2022-12-13 08:42:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:35,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:42:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:35,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:42:35,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:42:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:35,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 08:42:35,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:35,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1871802484, now seen corresponding path program 1 times [2022-12-13 08:42:35,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:35,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776783454] [2022-12-13 08:42:35,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:35,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:35,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:35,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776783454] [2022-12-13 08:42:35,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776783454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:35,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:35,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 08:42:35,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769702593] [2022-12-13 08:42:35,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:35,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 08:42:35,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:35,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 08:42:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 08:42:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:35,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 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) [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:42:35,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 08:42:35,616 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:35,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:35,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1871802485, now seen corresponding path program 1 times [2022-12-13 08:42:35,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:35,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445356992] [2022-12-13 08:42:35,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:35,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:35,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445356992] [2022-12-13 08:42:35,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445356992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:35,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:35,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 08:42:35,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740053961] [2022-12-13 08:42:35,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:35,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 08:42:35,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 08:42:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-12-13 08:42:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:35,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 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) [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:35,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:35,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:42:35,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:36,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:36,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:42:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:36,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 08:42:36,177 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:36,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:36,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1871802488, now seen corresponding path program 1 times [2022-12-13 08:42:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:36,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785164345] [2022-12-13 08:42:36,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:36,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:37,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:37,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785164345] [2022-12-13 08:42:37,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785164345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:37,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:37,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 08:42:37,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62652923] [2022-12-13 08:42:37,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:37,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 08:42:37,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:37,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 08:42:37,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-12-13 08:42:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:37,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:37,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 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) [2022-12-13 08:42:37,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:37,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:37,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:37,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:37,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:37,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:37,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:37,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:42:37,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:37,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:42:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:42:38,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 08:42:38,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:42:38,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:38,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1247907601, now seen corresponding path program 1 times [2022-12-13 08:42:38,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:38,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248397002] [2022-12-13 08:42:38,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:38,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:42:39,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:39,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248397002] [2022-12-13 08:42:39,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248397002] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:42:39,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926500642] [2022-12-13 08:42:39,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:39,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:42:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:42:39,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:42:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:42:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:40,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-13 08:42:40,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:42:40,363 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-13 08:42:40,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-13 08:42:40,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-12-13 08:42:40,686 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-13 08:42:40,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 08:42:42,095 INFO L321 Elim1Store]: treesize reduction 1078, result has 11.2 percent of original size [2022-12-13 08:42:42,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 11 new quantified variables, introduced 38 case distinctions, treesize of input 455 treesize of output 1116 [2022-12-13 08:42:42,407 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-13 08:42:42,408 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 298 treesize of output 305 [2022-12-13 08:42:42,529 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-13 08:42:42,530 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 288 treesize of output 278 [2022-12-13 08:42:42,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2022-12-13 08:42:42,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:42:42,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:42:42,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:42:44,924 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 08:42:44,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 135 [2022-12-13 08:42:44,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:44,976 INFO L321 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2022-12-13 08:42:44,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 709 treesize of output 583 [2022-12-13 08:42:45,248 INFO L321 Elim1Store]: treesize reduction 121, result has 26.7 percent of original size [2022-12-13 08:42:45,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 548 treesize of output 798 [2022-12-13 08:42:45,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 35 [2022-12-13 08:42:45,898 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 5 treesize of output 3 [2022-12-13 08:42:45,940 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 5 treesize of output 3 [2022-12-13 08:42:45,952 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 5 treesize of output 3 [2022-12-13 08:42:48,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:48,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:42:49,252 INFO L321 Elim1Store]: treesize reduction 157, result has 23.8 percent of original size [2022-12-13 08:42:49,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 2548 treesize of output 3919 [2022-12-13 08:42:53,069 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 17 treesize of output 13 [2022-12-13 08:42:55,090 INFO L321 Elim1Store]: treesize reduction 39, result has 29.1 percent of original size [2022-12-13 08:42:55,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 856 treesize of output 888 [2022-12-13 08:42:55,102 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 5 treesize of output 3 [2022-12-13 08:42:56,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:42:56,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 11 [2022-12-13 08:43:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:01,402 INFO L321 Elim1Store]: treesize reduction 121, result has 20.9 percent of original size [2022-12-13 08:43:01,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 2527 treesize of output 4584 [2022-12-13 08:43:02,015 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 9 treesize of output 7 [2022-12-13 08:43:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:06,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:06,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:06,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:06,715 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-12-13 08:43:06,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1501 treesize of output 2975 [2022-12-13 08:43:06,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:07,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:07,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:07,084 INFO L217 Elim1Store]: Index analysis took 154 ms [2022-12-13 08:43:07,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1501 treesize of output 2975 [2022-12-13 08:43:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:09,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:09,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:09,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 1034 [2022-12-13 08:43:12,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:43:12,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:12,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 584 treesize of output 9 [2022-12-13 08:43:24,735 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 08:43:24,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 42 [2022-12-13 08:43:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:43:24,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:43:24,831 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_180 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0))))) is different from false [2022-12-13 08:43:24,882 WARN L837 $PredicateComparison]: unable to prove that (or (= (mod |c_thr1Thread1of1ForFork0_inc_#t~mem7#1| 4294967296) 0) (forall ((v_ArrVal_180 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)))))) is different from false [2022-12-13 08:43:24,896 WARN L837 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_180 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0))))) (= (mod (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0)) is different from false [2022-12-13 08:43:25,050 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-13 08:43:25,051 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 283 treesize of output 290 [2022-12-13 08:43:25,097 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:43:25,097 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 273 treesize of output 288 [2022-12-13 08:43:37,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:43:37,646 INFO L321 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2022-12-13 08:43:37,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 3376 treesize of output 3212 [2022-12-13 08:43:37,694 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 3556 treesize of output 3492 [2022-12-13 08:43:37,728 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 3656 treesize of output 3472 [2022-12-13 08:43:37,796 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 4226 treesize of output 4098 [2022-12-13 08:43:37,859 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 4176 treesize of output 4168 [2022-12-13 08:43:39,972 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 80 treesize of output 72 [2022-12-13 08:43:40,253 INFO L321 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2022-12-13 08:43:40,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 47 [2022-12-13 08:43:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-12-13 08:43:40,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926500642] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:43:40,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:43:40,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 18] total 50 [2022-12-13 08:43:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836037849] [2022-12-13 08:43:40,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:43:40,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-12-13 08:43:40,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:43:40,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-12-13 08:43:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1987, Unknown=44, NotChecked=282, Total=2550 [2022-12-13 08:43:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:40,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:43:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 2.98) internal successors, (149), 51 states have internal predecessors, (149), 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) [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:43:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:44,620 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse14 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse13 (= |c_~#value~0.base| |c_ULTIMATE.start_main_~#t~0#1.base|)) (.cse23 (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296)) (.cse4 (mod .cse14 4294967296))) (let ((.cse35 (<= 0 |c_~#value~0.offset|)) (.cse21 (= .cse23 .cse4)) (.cse32 (not .cse13)) (.cse33 (<= |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| (+ 4294967294 (* (div |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) 4294967296)))) (.cse15 (+ |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 1)) (.cse34 (= |c_ULTIMATE.start_main_~#t~0#1.offset| |c_~#value~0.offset|)) (.cse24 (select |c_#memory_int| |c_~#dec_flag~0.base|))) (let ((.cse2 (forall ((v_ArrVal_169 Int) (v_ArrVal_180 (Array Int Int)) (v_ArrVal_170 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (|~#dec_flag~0.offset| Int) (v_ArrVal_179 (Array Int Int)) (|v_ULTIMATE.start_main_~#t~0#1.base_8| Int) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse39 (store |c_#memory_int| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_170))) (let ((.cse37 (select (select .cse39 |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse38 (store (store (store (store .cse39 |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store .cse39 |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse37 1))) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse39 |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_180))) (or (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_169) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (< (mod .cse37 4294967296) (mod (select (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (select .cse24 |~#dec_flag~0.offset|) 0)) (not (= (mod (select (select .cse38 |c_~#dec_flag~0.base|) |~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8|) 0)))))))) (.cse0 (or .cse32 (and (<= .cse15 |c_#pthreadsForks|) .cse33 (<= |c_#pthreadsForks| .cse15) .cse34))) (.cse20 (select |c_#memory_int| 5)) (.cse3 (not (= (select |c_#valid| 5) 1))) (.cse16 (not (= |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| |c_ULTIMATE.start_main_~#t~0#1.base|))) (.cse28 (= 0 |c_~#value~0.offset|)) (.cse29 (not .cse21)) (.cse17 (= |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 0)) (.cse6 (+ 1 .cse14)) (.cse1 (not .cse35))) (and (= 4 (select |c_#length| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|)) .cse0 (or .cse1 .cse2) (= (select |c_#valid| 3) 1) (or .cse3 .cse1 .cse2) (or .cse1 (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse5 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| .cse6)) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< .cse4 (mod (select (select .cse5 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)) (not (= (mod (select (select .cse5 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)))))) (or .cse1 (forall ((v_ArrVal_169 Int) (v_ArrVal_180 (Array Int Int)) (v_ArrVal_170 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|v_ULTIMATE.start_main_~#t~0#1.base_8| Int) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse9 (store |c_#memory_int| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_170))) (let ((.cse7 (select (select .cse9 |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse8 (store (store (store (store .cse9 |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store .cse9 |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse7 1))) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse9 |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_180))) (or (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_169) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (< (mod .cse7 4294967296) (mod (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse8 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8|) 0)))))))) (or (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_170 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_170))) (let ((.cse11 (select (select .cse12 |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse10 (store (store (store (store .cse12 |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store .cse12 |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse11 1))) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse12 |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (not (= (mod (select (select .cse10 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< (mod .cse11 4294967296) (mod (select (select .cse10 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (select |c_#valid| |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|))))))) .cse1) (or (and .cse0 (or .cse13 (and (<= .cse14 .cse15) (<= .cse15 .cse14) .cse16 .cse17))) (= (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 0)) (= 5 |c_~#dec_flag~0.base|) (or (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_170 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (v_ArrVal_169 Int) (|v_~#inc_flag~0.base_67| Int) (|~#dec_flag~0.offset| Int) (|v_ULTIMATE.start_main_~#t~0#1.base_8| Int) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (or (let ((.cse19 (store |c_#memory_int| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_170))) (let ((.cse18 (select (select .cse19 |c_~#value~0.base|) |c_~#value~0.offset|))) (< (mod .cse18 4294967296) (mod (select (select (store (store (store (store .cse19 |v_~#inc_flag~0.base_67| v_ArrVal_175) |c_~#value~0.base| (store (select (store .cse19 |v_~#inc_flag~0.base_67| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse18 1))) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse19 |v_~#inc_flag~0.base_67| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_180) |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_169) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (= (select .cse20 |~#dec_flag~0.offset|) 0)) (not (<= |v_~#inc_flag~0.base_67| 4)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8|) 0)))) .cse3 .cse1) .cse17 (or .cse21 (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_176 (Array Int Int)) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse22 (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_176) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (not (= (mod (select (select .cse22 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse23 (mod (select (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (= (mod (select v_ArrVal_176 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse1) (= |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 0) (= (select .cse24 |c_~#dec_flag~0.offset|) 0) (or (forall ((v_ArrVal_169 Int) (v_ArrVal_180 (Array Int Int)) (v_ArrVal_170 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (|~#dec_flag~0.offset| Int) (v_ArrVal_179 (Array Int Int)) (|v_ULTIMATE.start_main_~#t~0#1.base_8| Int) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse27 (store |c_#memory_int| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_170))) (let ((.cse26 (select (select .cse27 |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse25 (store (store (store (store .cse27 |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store .cse27 |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse26 1))) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse27 |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_180))) (or (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8| v_ArrVal_169) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (= (mod (select (select .cse25 5) |~#dec_flag~0.offset|) 4294967296) 0)) (not (= (select .cse20 |~#dec_flag~0.offset|) 0)) (< (mod .cse26 4294967296) (mod (select (select .cse25 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~#t~0#1.base_8|) 0))))))) .cse3 .cse1) (or .cse13 (and (<= .cse15 |c_thr1Thread1of1ForFork0_inc_~inc__vn~0#1|) (<= |c_thr1Thread1of1ForFork0_inc_~inc__vn~0#1| .cse15) .cse16 .cse17 .cse28)) (= |c_~#value~0.base| 3) .cse28 (or .cse29 .cse1 (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse30 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread1of1ForFork0_inc_~inc__vn~0#1|)) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (not (= (mod (select (select .cse30 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse23 (mod (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|)))))) (or .cse29 (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse31 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| .cse15)) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< .cse23 (mod (select (select .cse31 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse31 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse1) (or .cse32 (and (<= .cse15 |c_ULTIMATE.start_main_#t~pre17#1|) .cse33 (<= |c_ULTIMATE.start_main_#t~pre17#1| .cse15) .cse34)) .cse35 (= .cse15 .cse14) (or .cse13 (and (<= 1 .cse14) (<= .cse14 1) .cse17)) (or (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_172 (Array Int Int)) (v_ArrVal_175 (Array Int Int)) (v_ArrVal_177 (Array Int Int)) (v_ArrVal_179 (Array Int Int)) (|v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| Int) (|thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| Int)) (let ((.cse36 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_175) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_177) |c_~#value~0.base|) |c_~#value~0.offset| .cse6)) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_179) |c_~#value~0.base| v_ArrVal_172) |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_180))) (or (< .cse4 (mod (select (select .cse36 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse36 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (= (select |c_#valid| |v_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (<= 0 |thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse1)))))) is different from false [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:43:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:43:51,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:43:51,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:43:51,227 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:43:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:43:51,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1201486786, now seen corresponding path program 1 times [2022-12-13 08:43:51,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:43:51,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826642819] [2022-12-13 08:43:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:43:51,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:43:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:43:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:43:51,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:43:51,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826642819] [2022-12-13 08:43:51,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826642819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:43:51,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:43:51,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 08:43:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414166280] [2022-12-13 08:43:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:43:51,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 08:43:51,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:43:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 08:43:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-13 08:43:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:51,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:43:51,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 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) [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:43:51,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:43:51,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:43:51,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:43:51,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:14,506 WARN L233 SmtUtils]: Spent 13.25s on a formula simplification. DAG size of input: 150 DAG size of output: 144 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:44:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 08:44:22,193 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:44:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:44:22,193 INFO L85 PathProgramCache]: Analyzing trace with hash -351203941, now seen corresponding path program 1 times [2022-12-13 08:44:22,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:44:22,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940150540] [2022-12-13 08:44:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:44:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:44:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:44:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:44:22,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:44:22,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940150540] [2022-12-13 08:44:22,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940150540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:44:22,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:44:22,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:44:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150737903] [2022-12-13 08:44:22,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:44:22,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:44:22,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:44:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:44:22,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:44:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:44:22,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 08:44:22,567 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:44:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:44:22,568 INFO L85 PathProgramCache]: Analyzing trace with hash -351203940, now seen corresponding path program 1 times [2022-12-13 08:44:22,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:44:22,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177128018] [2022-12-13 08:44:22,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:44:22,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:44:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:44:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:44:22,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:44:22,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177128018] [2022-12-13 08:44:22,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177128018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:44:22,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:44:22,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:44:22,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161297627] [2022-12-13 08:44:22,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:44:22,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:44:22,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:44:22,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:44:22,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:44:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:44:22,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:25,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:27,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:29,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:32,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:34,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:37,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:37,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 08:44:37,317 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err37ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:44:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:44:37,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1141791574, now seen corresponding path program 1 times [2022-12-13 08:44:37,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:44:37,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241792078] [2022-12-13 08:44:37,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:44:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:44:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:44:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:44:38,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:44:38,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241792078] [2022-12-13 08:44:38,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241792078] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:44:38,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:44:38,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 08:44:38,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956911955] [2022-12-13 08:44:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:44:38,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 08:44:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:44:38,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 08:44:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-13 08:44:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:38,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:44:38,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 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) [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:44:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:44:42,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:44,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:46,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:48,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:50,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:52,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:54,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:44:56,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:45:07,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:45:10,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:45:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:45:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 08:45:25,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 08:45:25,929 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err37ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:45:25,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:45:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1970714371, now seen corresponding path program 1 times [2022-12-13 08:45:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:45:25,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244238673] [2022-12-13 08:45:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:45:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:45:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:45:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:45:26,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:45:26,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244238673] [2022-12-13 08:45:26,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244238673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:45:26,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:45:26,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 08:45:26,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822617319] [2022-12-13 08:45:26,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:45:26,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 08:45:26,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:45:26,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 08:45:26,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-13 08:45:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:26,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:45:26,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-12-13 08:45:26,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 08:45:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 38 remaining) [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 38 remaining) [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 38 remaining) [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 38 remaining) [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 38 remaining) [2022-12-13 08:45:27,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONMEMORY_LEAK (29 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err37ASSERT_VIOLATIONMEMORY_LEAK (24 of 38 remaining) [2022-12-13 08:45:27,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 38 remaining) [2022-12-13 08:45:27,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 38 remaining) [2022-12-13 08:45:27,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 38 remaining) [2022-12-13 08:45:27,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 38 remaining) [2022-12-13 08:45:27,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 38 remaining) [2022-12-13 08:45:27,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 38 remaining) [2022-12-13 08:45:27,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 38 remaining) [2022-12-13 08:45:27,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 08:45:27,546 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 08:45:27,547 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-12-13 08:45:27,551 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:27,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:45:27,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:45:27,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:45:27,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-12-13 08:45:27,554 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:45:27,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:45:27,555 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;@2dd648be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:27,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 08:45:27,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2022-12-13 08:45:27,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:45:27,714 INFO L85 PathProgramCache]: Analyzing trace with hash 281941483, now seen corresponding path program 1 times [2022-12-13 08:45:27,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:45:27,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881253725] [2022-12-13 08:45:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:45:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:45:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:45:27,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 08:45:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:45:27,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 08:45:27,735 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 08:45:27,735 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-13 08:45:27,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2022-12-13 08:45:27,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2022-12-13 08:45:27,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-12-13 08:45:27,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 08:45:27,736 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 08:45:27,736 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2022-12-13 08:45:27,737 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 08:45:27,737 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 08:45:27,796 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:45:27,799 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:45:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:45:27,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:45:27,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-12-13 08:45:27,804 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:45:27,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:45:27,805 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;@2dd648be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:27,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 08:45:28,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2022-12-13 08:45:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:45:28,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1690011543, now seen corresponding path program 1 times [2022-12-13 08:45:28,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:45:28,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817345541] [2022-12-13 08:45:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:45:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:45:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:45:28,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 08:45:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:45:28,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 08:45:28,060 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 08:45:28,060 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-13 08:45:28,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2022-12-13 08:45:28,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2022-12-13 08:45:28,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-12-13 08:45:28,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 08:45:28,061 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 08:45:28,061 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2022-12-13 08:45:28,061 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 08:45:28,061 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-13 08:45:28,151 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:45:28,153 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:28,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:45:28,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:45:28,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:45:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-12-13 08:45:28,157 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:45:28,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2022-12-13 08:45:28,158 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;@2dd648be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:45:28,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-12-13 08:45:28,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:45:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:45:28,553 INFO L85 PathProgramCache]: Analyzing trace with hash 144982638, now seen corresponding path program 1 times [2022-12-13 08:45:28,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:45:28,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226177384] [2022-12-13 08:45:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:45:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:45:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:45:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:45:28,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:45:28,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226177384] [2022-12-13 08:45:28,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226177384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:45:28,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:45:28,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:45:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383493580] [2022-12-13 08:45:28,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:45:28,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:45:28,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:45:28,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:45:28,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:45:28,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:28,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:45:28,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-12-13 08:45:28,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:53,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 08:45:53,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:45:53,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:45:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash -998111362, now seen corresponding path program 1 times [2022-12-13 08:45:53,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:45:53,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001026254] [2022-12-13 08:45:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:45:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:45:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:45:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:45:53,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:45:53,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001026254] [2022-12-13 08:45:53,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001026254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:45:53,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:45:53,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:45:53,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300596669] [2022-12-13 08:45:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:45:53,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:45:53,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:45:53,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:45:53,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:45:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:53,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:45:53,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-12-13 08:45:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:45:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:10,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 08:46:10,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:46:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:10,135 INFO L85 PathProgramCache]: Analyzing trace with hash -998111361, now seen corresponding path program 1 times [2022-12-13 08:46:10,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:10,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307458189] [2022-12-13 08:46:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:10,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:46:10,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:10,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307458189] [2022-12-13 08:46:10,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307458189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:10,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:10,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:46:10,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144241265] [2022-12-13 08:46:10,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:10,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:10,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:10,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:10,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:10,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:10,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-12-13 08:46:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:23,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 08:46:23,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:46:23,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:23,656 INFO L85 PathProgramCache]: Analyzing trace with hash -998111360, now seen corresponding path program 1 times [2022-12-13 08:46:23,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:23,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007614364] [2022-12-13 08:46:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:46:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007614364] [2022-12-13 08:46:23,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007614364] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501168987] [2022-12-13 08:46:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:23,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:23,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:23,826 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:23,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 08:46:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:23,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 08:46:23,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:24,040 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 08:46:24,040 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 [2022-12-13 08:46:24,310 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 08:46:24,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-13 08:46:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:46:24,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:46:24,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501168987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:24,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:46:24,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-12-13 08:46:24,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020615161] [2022-12-13 08:46:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:24,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:24,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:24,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 08:46:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:24,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:24,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-12-13 08:46:24,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:24,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:24,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:24,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:36,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:36,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:36,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:36,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 08:46:36,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 08:46:36,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:46:36,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash -998111359, now seen corresponding path program 1 times [2022-12-13 08:46:36,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:36,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189514107] [2022-12-13 08:46:36,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:46:36,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:36,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189514107] [2022-12-13 08:46:36,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189514107] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:36,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968399175] [2022-12-13 08:46:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:36,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:36,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 08:46:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:36,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 08:46:36,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:46:37,129 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 [2022-12-13 08:46:37,521 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 08:46:37,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-13 08:46:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:46:37,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:46:37,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968399175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:37,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:46:37,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-12-13 08:46:37,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867598175] [2022-12-13 08:46:37,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:37,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 08:46:37,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:37,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 08:46:37,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:46:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:37,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:37,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2022-12-13 08:46:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:49,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 08:46:49,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:49,874 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:46:49,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:49,875 INFO L85 PathProgramCache]: Analyzing trace with hash -998111356, now seen corresponding path program 1 times [2022-12-13 08:46:49,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:49,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121620188] [2022-12-13 08:46:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:46:49,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:49,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121620188] [2022-12-13 08:46:49,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121620188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:49,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:49,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:46:49,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650217536] [2022-12-13 08:46:49,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:49,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:46:49,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:49,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:46:49,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:46:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:49,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:49,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-12-13 08:46:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:00,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 08:47:00,773 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:47:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:47:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash -998111355, now seen corresponding path program 1 times [2022-12-13 08:47:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:47:00,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955864085] [2022-12-13 08:47:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:47:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:47:00,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:47:00,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955864085] [2022-12-13 08:47:00,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955864085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:47:00,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:47:00,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:47:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045212917] [2022-12-13 08:47:00,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:47:00,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:47:00,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:47:00,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:47:00,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:47:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:00,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:47:00,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:00,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:11,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 08:47:11,946 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:47:11,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:47:11,946 INFO L85 PathProgramCache]: Analyzing trace with hash 560892904, now seen corresponding path program 1 times [2022-12-13 08:47:11,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:47:11,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202932068] [2022-12-13 08:47:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:11,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:47:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:47:12,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:47:12,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202932068] [2022-12-13 08:47:12,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202932068] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:47:12,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310699240] [2022-12-13 08:47:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:12,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:47:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:47:12,129 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:47:12,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 08:47:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:12,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 08:47:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:47:12,336 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 08:47:12,336 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 [2022-12-13 08:47:12,602 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 08:47:12,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-13 08:47:12,797 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:47:12,798 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 215 treesize of output 230 [2022-12-13 08:47:12,912 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2022-12-13 08:47:12,913 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 3 case distinctions, treesize of input 205 treesize of output 221 [2022-12-13 08:47:12,925 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 194 treesize of output 192 [2022-12-13 08:47:12,978 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 08:47:12,978 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 1 case distinctions, treesize of input 192 treesize of output 202 [2022-12-13 08:47:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:47:13,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:47:13,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310699240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:47:13,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:47:13,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-12-13 08:47:13,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672128660] [2022-12-13 08:47:13,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:47:13,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 08:47:13,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:47:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 08:47:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:47:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:13,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:47:13,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:13,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:26,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 08:47:26,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:47:26,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:47:26,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:47:26,416 INFO L85 PathProgramCache]: Analyzing trace with hash 560892905, now seen corresponding path program 1 times [2022-12-13 08:47:26,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:47:26,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087755090] [2022-12-13 08:47:26,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:47:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:47:26,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:47:26,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087755090] [2022-12-13 08:47:26,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087755090] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:47:26,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367455417] [2022-12-13 08:47:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:26,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:47:26,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:47:26,928 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:47:26,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 08:47:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:27,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 08:47:27,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:47:27,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:47:27,182 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 [2022-12-13 08:47:27,577 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 08:47:27,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-13 08:47:27,854 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-13 08:47:27,854 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 215 treesize of output 222 [2022-12-13 08:47:27,966 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2022-12-13 08:47:27,966 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 3 case distinctions, treesize of input 205 treesize of output 221 [2022-12-13 08:47:27,978 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 194 treesize of output 192 [2022-12-13 08:47:28,034 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 08:47:28,034 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 1 case distinctions, treesize of input 192 treesize of output 202 [2022-12-13 08:47:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 08:47:28,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:47:28,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367455417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:47:28,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:47:28,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2022-12-13 08:47:28,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241217034] [2022-12-13 08:47:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:47:28,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:47:28,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:47:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:47:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-13 08:47:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:28,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:47:28,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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) [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:28,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:47:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:47:41,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 08:47:41,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:47:41,753 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2022-12-13 08:47:41,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:47:41,754 INFO L85 PathProgramCache]: Analyzing trace with hash 560892908, now seen corresponding path program 1 times [2022-12-13 08:47:41,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:47:41,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917813416] [2022-12-13 08:47:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:47:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 08:47:42,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:47:42,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917813416] [2022-12-13 08:47:42,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917813416] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:47:42,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891150681] [2022-12-13 08:47:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:47:42,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:47:42,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:47:42,956 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:47:42,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b98d57d-0601-48b7-9f05-98611531f5cf/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 08:47:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:47:43,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-13 08:47:43,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:47:43,927 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-13 08:47:43,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-13 08:47:44,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-12-13 08:47:44,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-12-13 08:47:44,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-12-13 08:47:45,434 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-13 08:47:45,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 08:47:47,589 INFO L321 Elim1Store]: treesize reduction 1080, result has 11.0 percent of original size [2022-12-13 08:47:47,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 11 new quantified variables, introduced 38 case distinctions, treesize of input 691 treesize of output 1228 [2022-12-13 08:47:47,966 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-13 08:47:47,966 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 402 treesize of output 409 [2022-12-13 08:47:48,200 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-12-13 08:47:48,211 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-13 08:47:48,211 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 392 treesize of output 382 [2022-12-13 08:47:48,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:47:48,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2022-12-13 08:47:48,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:47:48,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-13 08:47:50,834 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-12-13 08:47:50,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 85 [2022-12-13 08:47:50,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 32 [2022-12-13 08:47:51,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:47:51,423 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 08:47:51,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 298 [2022-12-13 08:47:51,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:47:51,604 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 08:47:51,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 184 [2022-12-13 08:47:52,027 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-13 08:47:52,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 43 [2022-12-13 08:47:52,086 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 5 treesize of output 3 [2022-12-13 08:47:52,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:47:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:47:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:47:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:47:52,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 125 [2022-12-13 08:47:52,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:47:52,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 20 [2022-12-13 08:47:52,548 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 9 treesize of output 7 [2022-12-13 08:47:52,747 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 5 treesize of output 3 [2022-12-13 08:47:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:47:53,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:47:53,988 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-13 08:47:53,988 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 283 treesize of output 290 [2022-12-13 08:47:54,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 08:47:54,087 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 273 treesize of output 288 [2022-12-13 08:48:12,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:48:12,963 INFO L321 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2022-12-13 08:48:12,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 864 treesize of output 824 [2022-12-13 08:48:12,989 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 986 treesize of output 954 [2022-12-13 08:48:13,010 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 1016 treesize of output 960 [2022-12-13 08:48:13,037 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 1026 treesize of output 1010 [2022-12-13 08:48:35,561 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 44 treesize of output 38 [2022-12-13 08:48:35,880 INFO L321 Elim1Store]: treesize reduction 10, result has 41.2 percent of original size [2022-12-13 08:48:35,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 19 [2022-12-13 08:48:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 08:48:36,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891150681] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:48:36,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:48:36,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 17] total 44 [2022-12-13 08:48:36,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571464933] [2022-12-13 08:48:36,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:48:36,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-12-13 08:48:36,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:48:36,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-12-13 08:48:36,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1719, Unknown=28, NotChecked=0, Total=1980 [2022-12-13 08:48:36,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:48:36,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:48:36,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.409090909090909) internal successors, (150), 45 states have internal predecessors, (150), 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) [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:48:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:48:36,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:48:36,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:49:37,482 WARN L233 SmtUtils]: Spent 57.18s on a formula simplification. DAG size of input: 260 DAG size of output: 168 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:50:14,221 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse2 (mod .cse3 4294967296)) (.cse10 (mod |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296))) (let ((.cse12 (= .cse2 .cse10))) (let ((.cse5 (= 0 .cse3)) (.cse6 (not (= |c_~#value~0.base| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|))) (.cse8 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse18 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1|)) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse18 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)) (< .cse10 (mod (select (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))))) (.cse7 (= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 0)) (.cse13 (= |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| |c_~#value~0.offset|)) (.cse9 (not .cse12)) (.cse4 (+ |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 1)) (.cse0 (not (<= 0 |c_~#value~0.offset|)))) (and (or .cse0 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (|v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| (+ 1 .cse3))) |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse1 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse2 (mod (select (select .cse1 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (select |c_#valid| |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)))))) (= (select |c_#valid| 3) 1) (<= |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1| .cse4) (<= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| (+ 4294967294 (* (div |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296) 4294967296))) (or .cse5 (= (select |c_#valid| |c_~#value~0.base|) 1)) (or (= |c_thr1Thread3of3ForFork0_inc_#t~mem8#1| 0) .cse6) (or .cse7 .cse6) (or .cse5 .cse6) (or .cse8 .cse9 .cse0) (or (forall ((|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_540 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_540))) (or (< .cse10 (mod (select (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (= (mod (select v_ArrVal_540 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0) (not (= (mod (select (select .cse11 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse0 .cse12) (or .cse8 (= |c_~#inc_flag~0.base| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) .cse9 .cse0) (= |c_~#value~0.base| 3) (= 0 |c_~#value~0.offset|) .cse13 (<= .cse4 |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1|) (or (not .cse7) .cse13) (or .cse9 .cse0 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse14 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| .cse4)) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse14 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse10 (mod (select (select .cse14 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)))))) (or (forall ((v_ArrVal_536 (Array Int Int)) (v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (|v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_536))) (let ((.cse15 (select (select .cse17 |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse16 (store (store (store .cse17 |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store .cse17 |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| (+ .cse15 1))) |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41| (store (select (store (store .cse17 |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (< (mod .cse15 4294967296) (mod (select (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse16 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (= (select |c_#valid| |v_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base_41|) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|))))))) .cse0)))))) is different from false [2022-12-13 08:50:18,486 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse13 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|)) (.cse7 (mod |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296))) (let ((.cse9 (= (mod .cse13 4294967296) .cse7))) (let ((.cse1 (= 0 .cse13)) (.cse2 (not (= |c_~#value~0.base| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|))) (.cse4 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse12 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1|)) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse12 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)) (< .cse7 (mod (select (select .cse12 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))))) (.cse3 (= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 0)) (.cse10 (= |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| |c_~#value~0.offset|)) (.cse5 (not .cse9)) (.cse6 (not (<= 0 |c_~#value~0.offset|))) (.cse0 (+ |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 1))) (and (= (select |c_#valid| 3) 1) (<= |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1| .cse0) (<= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| (+ 4294967294 (* (div |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296) 4294967296))) (or .cse1 (= (select |c_#valid| |c_~#value~0.base|) 1)) (or (= |c_thr1Thread3of3ForFork0_inc_#t~mem8#1| 0) .cse2) (or .cse3 .cse2) (or .cse1 .cse2) (or .cse4 .cse5 .cse6) (or (forall ((|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_540 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_540))) (or (< .cse7 (mod (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (= (mod (select v_ArrVal_540 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0) (not (= (mod (select (select .cse8 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse6 .cse9) (or .cse4 (= |c_~#inc_flag~0.base| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) .cse5 .cse6) (= |c_~#value~0.base| 3) (= 0 |c_~#value~0.offset|) .cse10 (<= .cse0 |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1|) (or (not .cse3) .cse10) (or .cse5 .cse6 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse11 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| .cse0)) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse11 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse7 (mod (select (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)))))))))) is different from false [2022-12-13 08:50:42,709 WARN L233 SmtUtils]: Spent 22.60s on a formula simplification. DAG size of input: 107 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:51:01,603 WARN L233 SmtUtils]: Spent 13.21s on a formula simplification. DAG size of input: 104 DAG size of output: 97 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:51:03,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:05,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:07,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:10,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:10,653 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse11 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse10 (mod .cse11 4294967296)) (.cse5 (mod |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296))) (let ((.cse1 (= 0 .cse11)) (.cse3 (not (= |c_~#value~0.base| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|))) (.cse4 (= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 0)) (.cse12 (= |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| |c_~#value~0.offset|)) (.cse8 (= .cse10 .cse5)) (.cse7 (not (<= 0 |c_~#value~0.offset|))) (.cse0 (+ |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 1)) (.cse2 (select |c_#valid| |c_~#value~0.base|))) (and (<= |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1| .cse0) (<= |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| (+ 4294967294 (* (div |c_thr1Thread3of3ForFork0_inc_~inc__v~0#1| 4294967296) 4294967296))) (or .cse1 (= .cse2 1)) (or (= |c_thr1Thread3of3ForFork0_inc_#t~mem8#1| 0) .cse3) (or .cse4 .cse3) (or .cse1 .cse3) (or (forall ((|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_540 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_540))) (or (< .cse5 (mod (select (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (= (mod (select v_ArrVal_540 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0) (not (= (mod (select (select .cse6 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|))))) .cse7 .cse8) (or .cse7 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse9 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| (+ 1 .cse11))) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse9 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse10 (mod (select (select .cse9 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)))))) (= 0 |c_~#value~0.offset|) .cse12 (<= .cse0 |c_thr1Thread3of3ForFork0_inc_~inc__vn~0#1|) (or (not .cse4) .cse12) (or (not .cse8) .cse7 (forall ((v_ArrVal_538 (Array Int Int)) (|thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| Int) (v_ArrVal_542 (Array Int Int)) (v_ArrVal_544 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse13 (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_542) |c_~#value~0.base| (store (select (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_544) |c_~#value~0.base|) |c_~#value~0.offset| .cse0)) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_538) |c_~#value~0.base| v_ArrVal_543) |c_thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.base|) |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset| 1)))) (or (not (= (mod (select (select .cse13 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse5 (mod (select (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (<= 0 |thr1Thread3of3ForFork0_inc_~#inc__casret~0#1.offset|)))))) (or (not (= .cse2 0)) (not (= (select |c_#valid| 5) 1))))))) is different from false [2022-12-13 08:51:13,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:17,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:21,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:23,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:25,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:27,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:51:50,297 WARN L233 SmtUtils]: Spent 15.84s on a formula simplification. DAG size of input: 134 DAG size of output: 126 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:52:17,515 WARN L233 SmtUtils]: Spent 19.64s on a formula simplification. DAG size of input: 120 DAG size of output: 110 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:52:20,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:52:47,100 WARN L233 SmtUtils]: Spent 21.01s on a formula simplification. DAG size of input: 118 DAG size of output: 111 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:53:03,793 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 114 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:53:17,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:30,766 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 114 DAG size of output: 102 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 08:53:37,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:39,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:49,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:51,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:53,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:56,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:53:58,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:00,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:04,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:06,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:15,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:21,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:34,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:36,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:41,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:43,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:45,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:48,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:54:51,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:03,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:10,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:16,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:18,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:20,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:22,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:24,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:25,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:29,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:39,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:40,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:49,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:52,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:54,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:55:56,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:04,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:06,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:09,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:13,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:17,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:19,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 08:56:21,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]