./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- 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 08:46:36,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:46:36,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:46:36,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:46:36,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:46:36,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:46:36,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:46:36,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:46:36,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:46:36,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:46:36,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:46:36,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:46:36,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:46:36,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:46:36,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:46:36,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:46:36,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:46:36,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:46:36,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:46:36,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:46:36,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:46:36,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:46:36,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:46:36,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:46:36,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:46:36,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:46:36,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:46:36,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:46:36,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:46:36,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:46:36,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:46:36,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:46:36,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:46:36,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:46:36,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:46:36,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:46:36,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:46:36,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:46:36,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:46:36,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:46:36,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:46:36,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 08:46:36,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:46:36,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:46:36,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:46:36,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:46:36,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:46:36,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:46:36,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:46:36,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:46:36,194 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:46:36,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:46:36,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:46:36,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:46:36,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:46:36,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:46:36,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:46:36,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:46:36,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:46:36,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:46:36,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:46:36,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:46:36,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:46:36,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:46:36,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:46:36,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:46:36,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:46:36,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:46:36,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:46:36,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:46:36,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:46:36,198 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:46:36,199 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:46:36,200 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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2022-12-13 08:46:36,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:46:36,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:46:36,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:46:36,420 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:46:36,420 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:46:36,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-atomic/lamport.i [2022-12-13 08:46:39,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:46:39,166 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:46:39,166 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/sv-benchmarks/c/pthread-atomic/lamport.i [2022-12-13 08:46:39,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/data/70862762c/faa1126ea00d44e38950a8c33b3bcc9d/FLAG158d6038d [2022-12-13 08:46:39,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/data/70862762c/faa1126ea00d44e38950a8c33b3bcc9d [2022-12-13 08:46:39,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:46:39,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:46:39,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:46:39,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:46:39,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:46:39,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b0dc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39, skipping insertion in model container [2022-12-13 08:46:39,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:46:39,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:46:39,361 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:46:39,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,504 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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-12-13 08:46:39,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,519 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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-12-13 08:46:39,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:46:39,532 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:46:39,544 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:46:39,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,567 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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-12-13 08:46:39,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,578 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_441dd291-75cb-4e9c-8c0b-f1b83abb2377/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-12-13 08:46:39,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:46:39,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:46:39,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:46:39,606 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:46:39,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39 WrapperNode [2022-12-13 08:46:39,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:46:39,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:46:39,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:46:39,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:46:39,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,638 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-12-13 08:46:39,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:46:39,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:46:39,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:46:39,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:46:39,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:46:39,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:46:39,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:46:39,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:46:39,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (1/1) ... [2022-12-13 08:46:39,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:46:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:39,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:46:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:46:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:46:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-13 08:46:39,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-13 08:46:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 08:46:39,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 08:46:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:46:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 08:46:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:46:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:46:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:46:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:46:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 08:46:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:46:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:46:39,742 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 08:46:39,841 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:46:39,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:46:39,985 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:46:39,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:46:39,990 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-13 08:46:39,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:39 BoogieIcfgContainer [2022-12-13 08:46:39,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:46:39,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:46:39,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:46:39,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:46:39,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:46:39" (1/3) ... [2022-12-13 08:46:39,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af18572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:46:39, skipping insertion in model container [2022-12-13 08:46:39,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:39" (2/3) ... [2022-12-13 08:46:39,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af18572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:46:39, skipping insertion in model container [2022-12-13 08:46:39,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:39" (3/3) ... [2022-12-13 08:46:39,999 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-12-13 08:46:40,006 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:46:40,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:46:40,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 08:46:40,015 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:46:40,065 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 08:46:40,098 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:46:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:40,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:46:40,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:46:40,135 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:46:40,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-12-13 08:46:40,150 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b05de99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:40,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 08:46:40,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash -357288903, now seen corresponding path program 1 times [2022-12-13 08:46:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:40,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982138612] [2022-12-13 08:46:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:40,401 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 08:46:40,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:40,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982138612] [2022-12-13 08:46:40,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982138612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:40,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:40,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:46:40,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459262160] [2022-12-13 08:46:40,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:40,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:46:40,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:40,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:46:40,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:46:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:40,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 08:46:40,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:46:40,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:40,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2054071532, now seen corresponding path program 1 times [2022-12-13 08:46:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:40,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034108257] [2022-12-13 08:46:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 08:46:40,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:40,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034108257] [2022-12-13 08:46:40,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034108257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:40,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:40,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:40,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817128206] [2022-12-13 08:46:40,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:40,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:40,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:40,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 08:46:40,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:40,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 08:46:40,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:40,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:40,867 INFO L85 PathProgramCache]: Analyzing trace with hash -936299113, now seen corresponding path program 1 times [2022-12-13 08:46:40,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:40,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708602751] [2022-12-13 08:46:40,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:40,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-12-13 08:46:40,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:40,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708602751] [2022-12-13 08:46:40,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708602751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:40,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:40,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:40,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547306516] [2022-12-13 08:46:40,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:40,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:40,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:40,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:40,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:40,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 08:46:40,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:40,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:40,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 08:46:41,001 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:41,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2044553942, now seen corresponding path program 1 times [2022-12-13 08:46:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:41,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249369180] [2022-12-13 08:46:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,037 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 08:46:41,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:41,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249369180] [2022-12-13 08:46:41,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249369180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:41,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:41,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:46:41,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998274579] [2022-12-13 08:46:41,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:41,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:46:41,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:41,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:46:41,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:46:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:41,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 08:46:41,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 08:46:41,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:41,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:41,072 INFO L85 PathProgramCache]: Analyzing trace with hash 471305913, now seen corresponding path program 1 times [2022-12-13 08:46:41,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:41,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151587053] [2022-12-13 08:46:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,133 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 08:46:41,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:41,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151587053] [2022-12-13 08:46:41,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151587053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:41,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:41,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:41,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742105487] [2022-12-13 08:46:41,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:41,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:41,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:41,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:41,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:41,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 08:46:41,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 08:46:41,370 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:41,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash -76348131, now seen corresponding path program 1 times [2022-12-13 08:46:41,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:41,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387318947] [2022-12-13 08:46:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 08:46:41,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:41,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387318947] [2022-12-13 08:46:41,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387318947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:41,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:41,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:41,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614805589] [2022-12-13 08:46:41,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:41,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:41,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:41,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:41,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:41,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 08:46:41,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:41,503 INFO L85 PathProgramCache]: Analyzing trace with hash 21191871, now seen corresponding path program 1 times [2022-12-13 08:46:41,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:41,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534069537] [2022-12-13 08:46:41,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:41,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:41,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534069537] [2022-12-13 08:46:41,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534069537] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:41,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792889876] [2022-12-13 08:46:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:41,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:41,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:41,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:46:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 08:46:41,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 08:46:41,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:46:41,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792889876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:41,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 08:46:41,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 08:46:41,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27587670] [2022-12-13 08:46:41,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:41,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:46:41,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:41,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:46:41,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 08:46:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:41,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 08:46:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:41,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:46:41,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:41,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash 877629730, now seen corresponding path program 1 times [2022-12-13 08:46:41,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:41,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696111677] [2022-12-13 08:46:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:41,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:41,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696111677] [2022-12-13 08:46:41,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696111677] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:41,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578654596] [2022-12-13 08:46:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:41,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:41,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:41,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:41,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 08:46:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:42,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 08:46:42,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:42,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:46:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:42,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578654596] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:46:42,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:46:42,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-12-13 08:46:42,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47132988] [2022-12-13 08:46:42,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:46:42,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:46:42,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:42,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:46:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:46:42,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:42,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 08:46:42,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:46:42,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 08:46:42,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:42,404 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:42,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1792124759, now seen corresponding path program 1 times [2022-12-13 08:46:42,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:42,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159579844] [2022-12-13 08:46:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:42,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:42,450 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 08:46:42,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:42,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159579844] [2022-12-13 08:46:42,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159579844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:42,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:42,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:42,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455413921] [2022-12-13 08:46:42,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:42,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:42,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:42,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 08:46:42,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:46:42,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 08:46:42,598 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:42,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash 175742100, now seen corresponding path program 1 times [2022-12-13 08:46:42,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:42,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778506590] [2022-12-13 08:46:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:42,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:42,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778506590] [2022-12-13 08:46:42,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778506590] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:42,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683270703] [2022-12-13 08:46:42,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:42,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:42,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:42,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:42,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 08:46:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:42,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 08:46:42,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:42,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:46:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:42,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683270703] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:46:42,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:46:42,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-12-13 08:46:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543944246] [2022-12-13 08:46:42,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:46:42,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 08:46:42,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 08:46:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 08:46:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:42,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:46:42,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 08:46:43,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 08:46:43,129 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:43,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:43,129 INFO L85 PathProgramCache]: Analyzing trace with hash 397467274, now seen corresponding path program 1 times [2022-12-13 08:46:43,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:43,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884144475] [2022-12-13 08:46:43,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:43,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:43,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884144475] [2022-12-13 08:46:43,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884144475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:43,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:43,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040599236] [2022-12-13 08:46:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:43,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:43,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:43,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:43,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:46:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:46:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 08:46:43,210 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:43,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1767843747, now seen corresponding path program 2 times [2022-12-13 08:46:43,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:43,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414518346] [2022-12-13 08:46:43,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:43,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:43,250 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 08:46:43,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:43,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414518346] [2022-12-13 08:46:43,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414518346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:43,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:43,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775883729] [2022-12-13 08:46:43,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:43,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:43,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:43,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:43,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:43,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 08:46:43,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:46:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 08:46:43,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 08:46:43,836 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 08:46:43,837 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2022-12-13 08:46:43,839 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:46:43,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:43,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:46:43,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-12-13 08:46:43,843 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:46:43,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:46:43,844 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b05de99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:43,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 08:46:43,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-12-13 08:46:43,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 08:46:43,871 INFO L445 BasicCegarLoop]: Path program histogram: [] [2022-12-13 08:46:43,871 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2022-12-13 08:46:43,873 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:43,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:46:43,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:43,874 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:46:43,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-12-13 08:46:43,877 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:46:43,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2022-12-13 08:46:43,878 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b05de99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:46:43,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 08:46:43,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:43,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:43,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1363733278, now seen corresponding path program 1 times [2022-12-13 08:46:43,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:43,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405419085] [2022-12-13 08:46:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:43,943 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 08:46:43,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:43,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405419085] [2022-12-13 08:46:43,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405419085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:43,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:43,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:46:43,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203761569] [2022-12-13 08:46:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:43,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:46:43,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:46:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:46:43,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:43,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:43,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 08:46:43,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 08:46:44,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash 71864085, now seen corresponding path program 1 times [2022-12-13 08:46:44,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066878477] [2022-12-13 08:46:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 08:46:44,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066878477] [2022-12-13 08:46:44,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066878477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:44,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086958457] [2022-12-13 08:46:44,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:44,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:44,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:46:44,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 08:46:44,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1273167061, now seen corresponding path program 1 times [2022-12-13 08:46:44,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351598103] [2022-12-13 08:46:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 08:46:44,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351598103] [2022-12-13 08:46:44,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351598103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:44,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095714485] [2022-12-13 08:46:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:44,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:44,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:46:44,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 08:46:44,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,276 INFO L85 PathProgramCache]: Analyzing trace with hash 472198614, now seen corresponding path program 1 times [2022-12-13 08:46:44,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171174893] [2022-12-13 08:46:44,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,310 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 08:46:44,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171174893] [2022-12-13 08:46:44,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171174893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:46:44,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014025029] [2022-12-13 08:46:44,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:46:44,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:46:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:46:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 08:46:44,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 08:46:44,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,347 INFO L85 PathProgramCache]: Analyzing trace with hash -610142272, now seen corresponding path program 1 times [2022-12-13 08:46:44,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232217385] [2022-12-13 08:46:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,397 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 08:46:44,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232217385] [2022-12-13 08:46:44,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232217385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:44,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695252248] [2022-12-13 08:46:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 08:46:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:44,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 08:46:44,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash 531774678, now seen corresponding path program 1 times [2022-12-13 08:46:44,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663010733] [2022-12-13 08:46:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,460 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 08:46:44,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663010733] [2022-12-13 08:46:44,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663010733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 08:46:44,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744083390] [2022-12-13 08:46:44,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:46:44,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:46:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:46:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 08:46:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 08:46:44,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,514 INFO L85 PathProgramCache]: Analyzing trace with hash 242324688, now seen corresponding path program 2 times [2022-12-13 08:46:44,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282678851] [2022-12-13 08:46:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,551 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 08:46:44,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282678851] [2022-12-13 08:46:44,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282678851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:44,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:44,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:44,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422510270] [2022-12-13 08:46:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:44,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:44,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 08:46:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 08:46:44,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 08:46:44,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1967385562, now seen corresponding path program 1 times [2022-12-13 08:46:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:44,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580233372] [2022-12-13 08:46:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:44,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:44,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580233372] [2022-12-13 08:46:44,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580233372] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:44,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943139913] [2022-12-13 08:46:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:44,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:44,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:44,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 08:46:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:44,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 08:46:44,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:44,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:46:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:44,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943139913] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:46:44,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:46:44,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-12-13 08:46:44,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107691348] [2022-12-13 08:46:44,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:46:44,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:46:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:44,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:46:44,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:46:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:44,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:46:44,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 08:46:45,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:45,186 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash -786355576, now seen corresponding path program 3 times [2022-12-13 08:46:45,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:45,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141435609] [2022-12-13 08:46:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:45,223 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 08:46:45,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:45,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141435609] [2022-12-13 08:46:45,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141435609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:45,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:45,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:45,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633126274] [2022-12-13 08:46:45,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:45,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:45,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:45,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:45,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 08:46:45,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:46:45,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 08:46:45,354 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:45,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -81493394, now seen corresponding path program 1 times [2022-12-13 08:46:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:45,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315304831] [2022-12-13 08:46:45,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:45,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:45,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:45,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315304831] [2022-12-13 08:46:45,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315304831] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:46:45,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586305856] [2022-12-13 08:46:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:45,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:46:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:46:45,404 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:46:45,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 08:46:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:45,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 08:46:45,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:46:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:45,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:46:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:45,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586305856] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:46:45,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:46:45,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-12-13 08:46:45,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950088578] [2022-12-13 08:46:45,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:46:45,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 08:46:45,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:45,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 08:46:45,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 08:46:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:45,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 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 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:46:45,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 08:46:45,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 08:46:45,944 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:45,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:45,945 INFO L85 PathProgramCache]: Analyzing trace with hash -312565521, now seen corresponding path program 1 times [2022-12-13 08:46:45,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:45,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096550391] [2022-12-13 08:46:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:45,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:46:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:45,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096550391] [2022-12-13 08:46:45,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096550391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:45,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:45,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:45,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511025671] [2022-12-13 08:46:45,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:45,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:45,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:45,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:45,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:45,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:46:45,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:46:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 08:46:46,083 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 08:46:46,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:46:46,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1942140476, now seen corresponding path program 4 times [2022-12-13 08:46:46,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:46:46,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958374199] [2022-12-13 08:46:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:46:46,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:46:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:46:46,130 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 08:46:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:46:46,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958374199] [2022-12-13 08:46:46,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958374199] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:46:46,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:46:46,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 08:46:46,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145475787] [2022-12-13 08:46:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:46:46,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 08:46:46,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:46:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 08:46:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 08:46:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:46:46,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 08:46:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 08:46:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 08:46:46,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 08:46:46,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 08:46:46,606 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 08:46:46,606 INFO L307 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2022-12-13 08:46:46,606 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 08:46:46,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 08:46:46,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:46:46 BasicIcfg [2022-12-13 08:46:46,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 08:46:46,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 08:46:46,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 08:46:46,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 08:46:46,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:39" (3/4) ... [2022-12-13 08:46:46,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 08:46:46,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-12-13 08:46:46,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-12-13 08:46:46,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 08:46:46,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 08:46:46,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 08:46:46,625 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 08:46:46,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 08:46:46,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 08:46:46,651 INFO L158 Benchmark]: Toolchain (without parser) took 7459.60ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 92.9MB in the beginning and 106.9MB in the end (delta: -14.0MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,651 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:46:46,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.44ms. Allocated memory is still 134.2MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.19ms. Allocated memory is still 134.2MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,652 INFO L158 Benchmark]: Boogie Preprocessor took 22.56ms. Allocated memory is still 134.2MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,652 INFO L158 Benchmark]: RCFGBuilder took 330.27ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 121.6MB in the end (delta: -60.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,653 INFO L158 Benchmark]: TraceAbstraction took 6615.85ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 120.6MB in the beginning and 109.0MB in the end (delta: 11.6MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,653 INFO L158 Benchmark]: Witness Printer took 40.20ms. Allocated memory is still 234.9MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:46:46,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.44ms. Allocated memory is still 134.2MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.19ms. Allocated memory is still 134.2MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.56ms. Allocated memory is still 134.2MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.27ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 121.6MB in the end (delta: -60.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6615.85ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 120.6MB in the beginning and 109.0MB in the end (delta: 11.6MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * Witness Printer took 40.20ms. Allocated memory is still 234.9MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 39924, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 9437, dependent conditional: 9352, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30895, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 408, dependent conditional: 323, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30895, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 408, dependent conditional: 323, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 1705, dependent unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 257, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 257, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4859, independent: 4742, independent conditional: 7, independent unconditional: 4735, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4859, independent: 4729, independent conditional: 0, independent unconditional: 4729, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 130, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 41, independent conditional: 9, independent unconditional: 32, dependent: 151, dependent conditional: 43, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32635, independent: 25745, independent conditional: 28, independent unconditional: 25717, dependent: 2031, dependent conditional: 225, dependent unconditional: 1806, unknown: 4859, unknown conditional: 39, unknown unconditional: 4820] , Statistics on independence cache: Total cache size (in pairs): 4859, Positive cache size: 4742, Positive conditional cache size: 7, Positive unconditional cache size: 4735, Negative cache size: 117, Negative conditional cache size: 32, Negative unconditional cache size: 85, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1448, Maximal queried relation: 8, Independence queries for same thread: 9029 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2243, Number of trivial persistent sets: 2102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7229, independent: 7144, independent conditional: 0, independent unconditional: 7144, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 39924, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 9437, dependent conditional: 9352, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30895, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 408, dependent conditional: 323, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30895, independent: 30487, independent conditional: 23343, independent unconditional: 7144, dependent: 408, dependent conditional: 323, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 1705, dependent unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 257, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32635, independent: 30487, independent conditional: 35, independent unconditional: 30452, dependent: 2148, dependent conditional: 257, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4859, independent: 4742, independent conditional: 7, independent unconditional: 4735, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4859, independent: 4729, independent conditional: 0, independent unconditional: 4729, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 130, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 117, dependent conditional: 32, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 41, independent conditional: 9, independent unconditional: 32, dependent: 151, dependent conditional: 43, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32635, independent: 25745, independent conditional: 28, independent unconditional: 25717, dependent: 2031, dependent conditional: 225, dependent unconditional: 1806, unknown: 4859, unknown conditional: 39, unknown unconditional: 4820] , Statistics on independence cache: Total cache size (in pairs): 4859, Positive cache size: 4742, Positive conditional cache size: 7, Positive unconditional cache size: 4735, Negative cache size: 117, Negative conditional cache size: 32, Negative unconditional cache size: 85, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1448, Maximal queried relation: 8, Independence queries for same thread: 9029 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 824, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 802, independent: 801, independent conditional: 0, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 802, independent: 800, independent conditional: 0, independent unconditional: 800, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 818, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 802, unknown conditional: 0, unknown unconditional: 802] , Statistics on independence cache: Total cache size (in pairs): 802, Positive cache size: 801, Positive conditional cache size: 0, Positive unconditional cache size: 801, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 35, Number of trivial persistent sets: 29, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 802, independent: 801, independent conditional: 0, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 824, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 16, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 818, independent: 817, independent conditional: 0, independent unconditional: 817, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 802, independent: 801, independent conditional: 0, independent unconditional: 801, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 802, independent: 800, independent conditional: 0, independent unconditional: 800, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 818, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 802, unknown conditional: 0, unknown unconditional: 802] , Statistics on independence cache: Total cache size (in pairs): 802, Positive cache size: 801, Positive conditional cache size: 0, Positive unconditional cache size: 801, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43521, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 9929, dependent conditional: 9846, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 442, dependent conditional: 359, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34034, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 442, dependent conditional: 359, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 2037, dependent unconditional: 467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 404, dependent unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 404, dependent unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4950, independent: 4819, independent conditional: 7, independent unconditional: 4812, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4950, independent: 4806, independent conditional: 0, independent unconditional: 4806, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, independent: 29, independent conditional: 7, independent unconditional: 22, dependent: 150, dependent conditional: 55, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 36096, independent: 28773, independent conditional: 18, independent unconditional: 28755, dependent: 2373, dependent conditional: 356, dependent unconditional: 2017, unknown: 4950, unknown conditional: 55, unknown unconditional: 4895] , Statistics on independence cache: Total cache size (in pairs): 4950, Positive cache size: 4819, Positive conditional cache size: 7, Positive unconditional cache size: 4812, Negative cache size: 131, Negative conditional cache size: 48, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1633, Maximal queried relation: 9, Independence queries for same thread: 9487 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 2474, Number of trivial persistent sets: 2357, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7087, independent: 7004, independent conditional: 0, independent unconditional: 7004, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43521, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 9929, dependent conditional: 9846, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 442, dependent conditional: 359, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34034, independent: 33592, independent conditional: 26588, independent unconditional: 7004, dependent: 442, dependent conditional: 359, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 2037, dependent unconditional: 467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 404, dependent unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36096, independent: 33592, independent conditional: 25, independent unconditional: 33567, dependent: 2504, dependent conditional: 404, dependent unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4950, independent: 4819, independent conditional: 7, independent unconditional: 4812, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4950, independent: 4806, independent conditional: 0, independent unconditional: 4806, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 13, independent conditional: 7, independent unconditional: 6, dependent: 131, dependent conditional: 48, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 179, independent: 29, independent conditional: 7, independent unconditional: 22, dependent: 150, dependent conditional: 55, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 36096, independent: 28773, independent conditional: 18, independent unconditional: 28755, dependent: 2373, dependent conditional: 356, dependent unconditional: 2017, unknown: 4950, unknown conditional: 55, unknown unconditional: 4895] , Statistics on independence cache: Total cache size (in pairs): 4950, Positive cache size: 4819, Positive conditional cache size: 7, Positive unconditional cache size: 4812, Negative cache size: 131, Negative conditional cache size: 48, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1633, Maximal queried relation: 9, Independence queries for same thread: 9487 - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 176 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1202 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 1686 SizeOfPredicates, 2 NumberOfNonLiveVariables, 535 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 440/447 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 176 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 176 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1055 NumberOfCodeBlocks, 1055 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1499 SizeOfPredicates, 2 NumberOfNonLiveVariables, 338 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 222/228 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 08:46:46,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 08:46:46,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2022-12-13 08:46:47,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-12-13 08:46:47,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_441dd291-75cb-4e9c-8c0b-f1b83abb2377/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE