./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:36:59,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:36:59,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:36:59,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:36:59,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:36:59,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:36:59,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:36:59,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:36:59,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:36:59,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:36:59,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:36:59,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:36:59,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:36:59,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:36:59,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:36:59,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:36:59,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:36:59,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:36:59,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:36:59,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:36:59,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:36:59,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:36:59,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:36:59,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:36:59,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:36:59,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:36:59,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:36:59,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:36:59,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:36:59,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:36:59,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:36:59,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:36:59,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:36:59,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:36:59,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:36:59,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:36:59,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:36:59,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:36:59,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:36:59,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:36:59,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:36:59,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 09:36:59,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:36:59,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:36:59,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:36:59,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:36:59,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:36:59,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:36:59,679 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:36:59,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:36:59,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:36:59,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:36:59,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:36:59,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:36:59,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:36:59,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:36:59,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:36:59,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:36:59,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:36:59,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:36:59,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:36:59,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:36:59,683 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:36:59,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:36:59,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:36:59,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:36:59,683 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_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-10-28 09:36:59,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:36:59,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:36:59,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:36:59,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:36:59,995 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:36:59,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-10-28 09:37:00,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/data/8fa41949e/da38c2ea124c49248ce8d65de8853451/FLAG0854fe266 [2021-10-28 09:37:01,006 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:37:01,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-10-28 09:37:01,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/data/8fa41949e/da38c2ea124c49248ce8d65de8853451/FLAG0854fe266 [2021-10-28 09:37:01,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/data/8fa41949e/da38c2ea124c49248ce8d65de8853451 [2021-10-28 09:37:01,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:37:01,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:37:01,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:01,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:37:01,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:37:01,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:01" (1/1) ... [2021-10-28 09:37:01,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6799e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:01, skipping insertion in model container [2021-10-28 09:37:01,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:01" (1/1) ... [2021-10-28 09:37:01,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:37:01,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:37:01,874 WARN L228 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_fc2c2c12-49e9-4b64-8abe-66e858fc807d/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-10-28 09:37:01,881 WARN L228 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_fc2c2c12-49e9-4b64-8abe-66e858fc807d/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-10-28 09:37:01,906 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:37:01,911 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:37:02,907 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,908 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,908 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,909 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,910 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,935 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,935 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,937 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:02,938 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:03,393 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:37:03,394 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:37:03,395 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:37:03,397 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:37:03,405 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:37:03,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:37:03,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:37:03,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:37:03,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:37:03,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:37:03,705 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:37:03,855 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:03,855 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:03,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:04,065 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:37:04,094 WARN L228 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_fc2c2c12-49e9-4b64-8abe-66e858fc807d/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-10-28 09:37:04,096 WARN L228 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_fc2c2c12-49e9-4b64-8abe-66e858fc807d/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-10-28 09:37:04,099 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:37:04,099 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:37:04,136 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,136 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,137 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,137 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,138 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,145 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,145 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,146 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,147 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:37:04,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:37:04,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:37:04,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:37:04,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:37:04,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:37:04,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:37:04,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:37:04,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:37:04,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:37:04,260 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:37:04,326 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,327 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:37:04,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:04,676 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:37:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04 WrapperNode [2021-10-28 09:37:04,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:04,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:04,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:37:04,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:37:04,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:04,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:04,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:04,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:37:04,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:37:04,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:37:05,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:37:05,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:37:05,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:37:05,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:37:05,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (1/1) ... [2021-10-28 09:37:05,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:37:05,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:05,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:05,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:37:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-28 09:37:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:37:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:37:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:37:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:37:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:37:16,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:37:16,474 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-10-28 09:37:16,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:16 BoogieIcfgContainer [2021-10-28 09:37:16,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:37:16,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:37:16,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:37:16,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:37:16,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:37:01" (1/3) ... [2021-10-28 09:37:16,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23507606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:16, skipping insertion in model container [2021-10-28 09:37:16,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:04" (2/3) ... [2021-10-28 09:37:16,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23507606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:16, skipping insertion in model container [2021-10-28 09:37:16,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:16" (3/3) ... [2021-10-28 09:37:16,486 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2021-10-28 09:37:16,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:37:16,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-28 09:37:16,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:37:16,572 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:37:16,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-28 09:37:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 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) [2021-10-28 09:37:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:37:16,618 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:16,619 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:16,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:16,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:16,625 INFO L85 PathProgramCache]: Analyzing trace with hash 171211731, now seen corresponding path program 1 times [2021-10-28 09:37:16,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:16,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507316254] [2021-10-28 09:37:16,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:16,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:17,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:17,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507316254] [2021-10-28 09:37:17,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507316254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:17,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:17,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:37:17,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376569638] [2021-10-28 09:37:17,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:37:17,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:17,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:37:17,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:37:17,451 INFO L87 Difference]: Start difference. First operand has 137 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 136 states have internal predecessors, (187), 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) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-10-28 09:37:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:17,479 INFO L93 Difference]: Finished difference Result 268 states and 366 transitions. [2021-10-28 09:37:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:37:17,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) Word has length 28 [2021-10-28 09:37:17,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:17,491 INFO L225 Difference]: With dead ends: 268 [2021-10-28 09:37:17,491 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 09:37:17,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:37:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 09:37:17,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-10-28 09:37:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 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) [2021-10-28 09:37:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2021-10-28 09:37:17,548 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 28 [2021-10-28 09:37:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:17,549 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2021-10-28 09:37:17,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-10-28 09:37:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2021-10-28 09:37:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:37:17,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:17,551 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:17,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:37:17,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:17,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:17,552 INFO L85 PathProgramCache]: Analyzing trace with hash -379969457, now seen corresponding path program 1 times [2021-10-28 09:37:17,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:17,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522011874] [2021-10-28 09:37:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:17,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:18,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:18,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522011874] [2021-10-28 09:37:18,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522011874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:18,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:18,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:37:18,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884866189] [2021-10-28 09:37:18,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:37:18,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:18,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:37:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:37:18,064 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-28 09:37:18,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:18,188 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2021-10-28 09:37:18,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:37:18,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) Word has length 28 [2021-10-28 09:37:18,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:18,191 INFO L225 Difference]: With dead ends: 258 [2021-10-28 09:37:18,191 INFO L226 Difference]: Without dead ends: 227 [2021-10-28 09:37:18,192 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:37:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-28 09:37:18,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 214. [2021-10-28 09:37:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 208 states have (on average 1.3269230769230769) internal successors, (276), 213 states have internal predecessors, (276), 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) [2021-10-28 09:37:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 276 transitions. [2021-10-28 09:37:18,213 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 276 transitions. Word has length 28 [2021-10-28 09:37:18,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:18,214 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 276 transitions. [2021-10-28 09:37:18,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-28 09:37:18,214 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 276 transitions. [2021-10-28 09:37:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:37:18,216 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:18,216 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:18,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:37:18,216 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash 619811795, now seen corresponding path program 1 times [2021-10-28 09:37:18,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:18,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568814662] [2021-10-28 09:37:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:18,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:18,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:18,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568814662] [2021-10-28 09:37:18,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568814662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:18,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:18,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:37:18,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467164818] [2021-10-28 09:37:18,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:37:18,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:18,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:37:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:37:18,582 INFO L87 Difference]: Start difference. First operand 214 states and 276 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-28 09:37:18,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:18,672 INFO L93 Difference]: Finished difference Result 272 states and 346 transitions. [2021-10-28 09:37:18,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:37:18,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) Word has length 34 [2021-10-28 09:37:18,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:18,675 INFO L225 Difference]: With dead ends: 272 [2021-10-28 09:37:18,675 INFO L226 Difference]: Without dead ends: 252 [2021-10-28 09:37:18,676 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:37:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-10-28 09:37:18,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 218. [2021-10-28 09:37:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.320754716981132) internal successors, (280), 217 states have internal predecessors, (280), 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) [2021-10-28 09:37:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 280 transitions. [2021-10-28 09:37:18,715 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 280 transitions. Word has length 34 [2021-10-28 09:37:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:18,716 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 280 transitions. [2021-10-28 09:37:18,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-28 09:37:18,716 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 280 transitions. [2021-10-28 09:37:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 09:37:18,723 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:18,724 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:18,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:37:18,724 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:18,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:18,725 INFO L85 PathProgramCache]: Analyzing trace with hash -851888782, now seen corresponding path program 1 times [2021-10-28 09:37:18,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:18,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614528895] [2021-10-28 09:37:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:18,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:19,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:19,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614528895] [2021-10-28 09:37:19,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614528895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:19,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:19,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:37:19,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862306460] [2021-10-28 09:37:19,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:37:19,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:37:19,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:37:19,309 INFO L87 Difference]: Start difference. First operand 218 states and 280 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-10-28 09:37:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:19,733 INFO L93 Difference]: Finished difference Result 414 states and 530 transitions. [2021-10-28 09:37:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:37:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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) Word has length 35 [2021-10-28 09:37:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:19,737 INFO L225 Difference]: With dead ends: 414 [2021-10-28 09:37:19,737 INFO L226 Difference]: Without dead ends: 370 [2021-10-28 09:37:19,738 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:37:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-28 09:37:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 347. [2021-10-28 09:37:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 341 states have (on average 1.3284457478005864) internal successors, (453), 346 states have internal predecessors, (453), 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) [2021-10-28 09:37:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 453 transitions. [2021-10-28 09:37:19,765 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 453 transitions. Word has length 35 [2021-10-28 09:37:19,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:19,766 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 453 transitions. [2021-10-28 09:37:19,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-10-28 09:37:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 453 transitions. [2021-10-28 09:37:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 09:37:19,768 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:19,768 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:19,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:37:19,769 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:19,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1898656179, now seen corresponding path program 1 times [2021-10-28 09:37:19,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:19,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769988532] [2021-10-28 09:37:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:19,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:20,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:20,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769988532] [2021-10-28 09:37:20,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769988532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:20,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:20,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-28 09:37:20,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817715877] [2021-10-28 09:37:20,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 09:37:20,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:20,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:37:20,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:37:20,779 INFO L87 Difference]: Start difference. First operand 347 states and 453 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) [2021-10-28 09:37:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:23,689 INFO L93 Difference]: Finished difference Result 703 states and 909 transitions. [2021-10-28 09:37:23,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-28 09:37:23,690 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) Word has length 39 [2021-10-28 09:37:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:23,694 INFO L225 Difference]: With dead ends: 703 [2021-10-28 09:37:23,694 INFO L226 Difference]: Without dead ends: 522 [2021-10-28 09:37:23,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=426, Invalid=1296, Unknown=0, NotChecked=0, Total=1722 [2021-10-28 09:37:23,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-28 09:37:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 391. [2021-10-28 09:37:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 385 states have (on average 1.3194805194805195) internal successors, (508), 390 states have internal predecessors, (508), 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) [2021-10-28 09:37:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 508 transitions. [2021-10-28 09:37:23,728 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 508 transitions. Word has length 39 [2021-10-28 09:37:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:23,730 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 508 transitions. [2021-10-28 09:37:23,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) [2021-10-28 09:37:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 508 transitions. [2021-10-28 09:37:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-28 09:37:23,734 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:23,734 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:23,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:37:23,735 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:23,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:23,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1178556306, now seen corresponding path program 1 times [2021-10-28 09:37:23,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:23,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517320325] [2021-10-28 09:37:23,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:23,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:24,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:24,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517320325] [2021-10-28 09:37:24,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517320325] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:24,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:24,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:37:24,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011499457] [2021-10-28 09:37:24,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:37:24,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:24,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:37:24,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:37:24,982 INFO L87 Difference]: Start difference. First operand 391 states and 508 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-10-28 09:37:25,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:25,279 INFO L93 Difference]: Finished difference Result 395 states and 510 transitions. [2021-10-28 09:37:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:37:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) Word has length 43 [2021-10-28 09:37:25,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:25,281 INFO L225 Difference]: With dead ends: 395 [2021-10-28 09:37:25,281 INFO L226 Difference]: Without dead ends: 70 [2021-10-28 09:37:25,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:37:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-28 09:37:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-10-28 09:37:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 69 states have internal predecessors, (86), 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) [2021-10-28 09:37:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2021-10-28 09:37:25,285 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 43 [2021-10-28 09:37:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:25,285 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2021-10-28 09:37:25,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-10-28 09:37:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2021-10-28 09:37:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 09:37:25,286 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:25,286 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:25,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:37:25,287 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:25,287 INFO L85 PathProgramCache]: Analyzing trace with hash -56685494, now seen corresponding path program 1 times [2021-10-28 09:37:25,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:25,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842692168] [2021-10-28 09:37:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:25,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:25,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:25,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842692168] [2021-10-28 09:37:25,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842692168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:25,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:25,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:37:25,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652912263] [2021-10-28 09:37:25,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:37:25,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:25,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:37:25,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:37:25,721 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2021-10-28 09:37:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:26,060 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2021-10-28 09:37:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:37:26,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) Word has length 50 [2021-10-28 09:37:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:26,062 INFO L225 Difference]: With dead ends: 151 [2021-10-28 09:37:26,062 INFO L226 Difference]: Without dead ends: 70 [2021-10-28 09:37:26,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:37:26,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-28 09:37:26,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-10-28 09:37:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 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) [2021-10-28 09:37:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2021-10-28 09:37:26,065 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 50 [2021-10-28 09:37:26,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:26,066 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2021-10-28 09:37:26,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2021-10-28 09:37:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2021-10-28 09:37:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 09:37:26,067 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:37:26,067 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:26,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:37:26,068 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-28 09:37:26,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash 191461000, now seen corresponding path program 1 times [2021-10-28 09:37:26,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:26,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282279541] [2021-10-28 09:37:26,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:26,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:26,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:26,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282279541] [2021-10-28 09:37:26,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282279541] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:26,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:26,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 09:37:26,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955020229] [2021-10-28 09:37:26,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:37:26,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:26,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:37:26,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:37:26,654 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2021-10-28 09:37:27,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:27,022 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2021-10-28 09:37:27,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:37:27,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) Word has length 50 [2021-10-28 09:37:27,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:37:27,023 INFO L225 Difference]: With dead ends: 70 [2021-10-28 09:37:27,023 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:37:27,024 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:37:27,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:37:27,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:37:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-28 09:37:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:37:27,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2021-10-28 09:37:27,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:37:27,025 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:37:27,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2021-10-28 09:37:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:37:27,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:37:27,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:37:27,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:37:27,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:37:27,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:37:27,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,461 INFO L857 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-10-28 09:37:27,462 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-10-28 09:37:27,462 INFO L857 garLoopResultBuilder]: For program point L9219(line 9219) no Hoare annotation was computed. [2021-10-28 09:37:27,462 INFO L853 garLoopResultBuilder]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2021-10-28 09:37:27,462 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:37:27,462 INFO L857 garLoopResultBuilder]: For program point L9219-2(line 9219) no Hoare annotation was computed. [2021-10-28 09:37:27,462 INFO L857 garLoopResultBuilder]: For program point L9220(line 9220) no Hoare annotation was computed. [2021-10-28 09:37:27,462 INFO L857 garLoopResultBuilder]: For program point L9220-2(line 9220) no Hoare annotation was computed. [2021-10-28 09:37:27,463 INFO L857 garLoopResultBuilder]: For program point L9237(line 9237) no Hoare annotation was computed. [2021-10-28 09:37:27,463 INFO L857 garLoopResultBuilder]: For program point L9237-2(line 9237) no Hoare annotation was computed. [2021-10-28 09:37:27,463 INFO L857 garLoopResultBuilder]: For program point L9221(lines 9221 9223) no Hoare annotation was computed. [2021-10-28 09:37:27,463 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L6810-3(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L9553-1(lines 9537 9559) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:37:27,464 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9559) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 7101 7111) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:37:27,465 INFO L857 garLoopResultBuilder]: For program point L9538(lines 9538 9539) no Hoare annotation was computed. [2021-10-28 09:37:27,466 INFO L857 garLoopResultBuilder]: For program point L9224(lines 9224 9228) no Hoare annotation was computed. [2021-10-28 09:37:27,466 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:37:27,466 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,466 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,466 INFO L857 garLoopResultBuilder]: For program point L9538-2(lines 9538 9539) no Hoare annotation was computed. [2021-10-28 09:37:27,467 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,467 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,467 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,467 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,467 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,468 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,468 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,468 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,468 INFO L857 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,469 INFO L857 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,470 INFO L857 garLoopResultBuilder]: For program point L9242(lines 9242 9244) no Hoare annotation was computed. [2021-10-28 09:37:27,471 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,471 INFO L853 garLoopResultBuilder]: At program point L6815-1(lines 6806 6816) the Hoare annotation is: false [2021-10-28 09:37:27,473 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-10-28 09:37:27,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,476 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:37:27,477 INFO L857 garLoopResultBuilder]: For program point L9542-1(lines 9542 9543) no Hoare annotation was computed. [2021-10-28 09:37:27,477 INFO L857 garLoopResultBuilder]: For program point L9542-3(lines 9542 9543) no Hoare annotation was computed. [2021-10-28 09:37:27,477 INFO L857 garLoopResultBuilder]: For program point L9542(lines 9542 9544) no Hoare annotation was computed. [2021-10-28 09:37:27,477 INFO L857 garLoopResultBuilder]: For program point L9245(lines 9245 9247) no Hoare annotation was computed. [2021-10-28 09:37:27,477 INFO L857 garLoopResultBuilder]: For program point L9542-5(lines 9542 9544) no Hoare annotation was computed. [2021-10-28 09:37:27,480 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,480 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L9229(lines 9229 9233) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,481 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,482 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.offset ULTIMATE.start_aws_string_compare_~b.offset) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.base ULTIMATE.start_aws_string_compare_~b.base) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,483 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.offset|) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.offset ULTIMATE.start_aws_string_compare_~b.offset) (not |ULTIMATE.start_aws_string_compare_#t~short1463|) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_~a.base ULTIMATE.start_aws_string_compare_~b.base) (= |ULTIMATE.start_aws_string_compare_harness_#t~ite1554.base| ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-10-28 09:37:27,484 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-10-28 09:37:27,484 INFO L857 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-10-28 09:37:27,484 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (and (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-10-28 09:37:27,484 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L261-4(line 261) the Hoare annotation is: false [2021-10-28 09:37:27,484 INFO L857 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,484 INFO L853 garLoopResultBuilder]: At program point L261-5(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L853 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-30(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,485 INFO L860 garLoopResultBuilder]: At program point L9560(line 9560) the Hoare annotation is: true [2021-10-28 09:37:27,485 INFO L853 garLoopResultBuilder]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,485 INFO L857 garLoopResultBuilder]: For program point L6256-28(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-33(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L853 garLoopResultBuilder]: At program point L6256-34(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-31(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-37(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-38(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-35(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L853 garLoopResultBuilder]: At program point L6256-41(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-42(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-40(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-45(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-44(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-49(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,486 INFO L857 garLoopResultBuilder]: For program point L6256-47(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6256-48(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L857 garLoopResultBuilder]: For program point L6256-54(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,487 INFO L857 garLoopResultBuilder]: For program point L6256-51(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,487 INFO L857 garLoopResultBuilder]: For program point L6256-52(line 6256) no Hoare annotation was computed. [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6256-55(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6803-1(lines 6800 6804) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L853 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2021-10-28 09:37:27,487 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point L9248(lines 9248 9250) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point L9548(line 9548) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point L9548-2(line 9548) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 09:37:27,488 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0)) [2021-10-28 09:37:27,488 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-10-28 09:37:27,488 INFO L853 garLoopResultBuilder]: At program point L9251(lines 9218 9252) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.offset 0) (= 0 ULTIMATE.start_aws_string_compare_harness_~str_a~1.base) (= ULTIMATE.start_aws_string_compare_harness_~str_a~1.offset 0) (= ULTIMATE.start_aws_string_compare_harness_~str_b~1.base 0)) [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point L9548-3(lines 9548 9552) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L857 garLoopResultBuilder]: For program point L9548-4(lines 9537 9559) no Hoare annotation was computed. [2021-10-28 09:37:27,488 INFO L853 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: false [2021-10-28 09:37:27,489 INFO L853 garLoopResultBuilder]: At program point L6245-1(lines 6242 6246) the Hoare annotation is: false [2021-10-28 09:37:27,491 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:27,500 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:37:27,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:37:27 BoogieIcfgContainer [2021-10-28 09:37:27,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:37:27,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:37:27,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:37:27,541 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:37:27,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:16" (3/4) ... [2021-10-28 09:37:27,544 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:37:27,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2021-10-28 09:37:27,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-10-28 09:37:27,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-28 09:37:27,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 09:37:27,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 09:37:27,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 09:37:27,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:37:27,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:37:29,088 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:37:29,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:37:29,090 INFO L168 Benchmark]: Toolchain (without parser) took 27619.87 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 71.0 MB in the beginning and 284.9 MB in the end (delta: -213.8 MB). Peak memory consumption was 275.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,090 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 74.5 MB in the beginning and 74.5 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:29,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3206.72 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 70.8 MB in the beginning and 54.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 66.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.63 ms. Allocated memory is still 123.7 MB. Free memory was 54.8 MB in the beginning and 42.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,092 INFO L168 Benchmark]: Boogie Preprocessor took 129.17 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 42.2 MB in the beginning and 112.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,092 INFO L168 Benchmark]: RCFGBuilder took 11352.28 ms. Allocated memory was 174.1 MB in the beginning and 308.3 MB in the end (delta: 134.2 MB). Free memory was 112.5 MB in the beginning and 165.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 189.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,093 INFO L168 Benchmark]: TraceAbstraction took 11061.80 ms. Allocated memory was 308.3 MB in the beginning and 371.2 MB in the end (delta: 62.9 MB). Free memory was 165.6 MB in the beginning and 229.7 MB in the end (delta: -64.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:29,093 INFO L168 Benchmark]: Witness Printer took 1547.97 ms. Allocated memory is still 371.2 MB. Free memory was 229.7 MB in the beginning and 284.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 161.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:29,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 74.5 MB in the beginning and 74.5 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3206.72 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 70.8 MB in the beginning and 54.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 66.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 315.63 ms. Allocated memory is still 123.7 MB. Free memory was 54.8 MB in the beginning and 42.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.17 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 42.2 MB in the beginning and 112.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11352.28 ms. Allocated memory was 174.1 MB in the beginning and 308.3 MB in the end (delta: 134.2 MB). Free memory was 112.5 MB in the beginning and 165.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 189.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11061.80 ms. Allocated memory was 308.3 MB in the beginning and 371.2 MB in the end (delta: 62.9 MB). Free memory was 165.6 MB in the beginning and 229.7 MB in the end (delta: -64.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 1547.97 ms. Allocated memory is still 371.2 MB. Free memory was 229.7 MB in the beginning and 284.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 161.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: 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 CFG has 1 procedures, 137 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1324 SDtfs, 2438 SDslu, 5697 SDs, 0 SdLazy, 673 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=5, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 201 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 40 NumberOfFragments, 126 HoareAnnotationTreeSize, 29 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 6 specifications checked. All of them hold - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: (((((((str_a == nondet_parameter ? str_b : str_a && str_b == 0) && a == b) && !aux-!b || aws_string_is_valid(b)-aux) && 0 == str_a) && str_a == 0) && a == b) && nondet_parameter ? str_b : str_a == str_a) && str_b == 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((str_a == 0 && str_b == str_a) && str_b == str_a) && str_b == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 == str_a && str_a == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9218]: Loop Invariant Derived loop invariant: ((str_b == 0 && 0 == str_a) && str_a == 0) && str_b == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: ((((((str_a == nondet_parameter ? str_b : str_a && str_b == 0) && a == b) && 0 == str_a) && str_a == 0) && a == b) && nondet_parameter ? str_b : str_a == str_a) && str_b == 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (16 == max_size && 0 == str_a) && str_a == 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 == str_a && str_a == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9560]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:37:29,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c2c12-49e9-4b64-8abe-66e858fc807d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...