./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:31:14,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:31:14,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:31:14,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:31:14,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:31:14,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:31:14,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:31:14,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:31:14,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:31:14,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:31:14,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:31:14,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:31:14,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:31:14,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:31:14,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:31:14,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:31:14,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:31:14,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:31:14,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:31:14,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:31:14,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:31:14,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:31:14,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:31:14,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:31:14,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:31:14,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:31:14,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:31:14,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:31:14,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:31:14,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:31:14,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:31:14,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:31:14,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:31:14,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:31:14,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:31:14,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:31:14,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:31:14,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:31:14,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:31:14,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:31:14,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:31:14,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:31:14,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:31:14,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:31:14,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:31:14,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:31:14,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:31:14,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:31:14,806 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:31:14,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:31:14,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:31:14,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:31:14,807 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:31:14,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:31:14,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:31:14,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:31:14,808 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:31:14,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:31:14,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:31:14,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:31:14,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:31:14,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:31:14,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:31:14,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:31:14,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:31:14,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:31:14,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:31:14,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:31:14,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:31:14,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:31:14,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:31:14,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:14,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:31:14,812 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:31:14,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:31:14,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:31:14,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:31:14,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:31:14,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:31:14,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:31:14,814 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_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2022-11-19 07:31:15,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:31:15,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:31:15,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:31:15,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:31:15,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:31:15,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-19 07:31:15,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/data/a1216620b/44587a9edec3488d93c013a3a8cead42/FLAG05c97dc0d [2022-11-19 07:31:16,081 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:31:16,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-19 07:31:16,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/data/a1216620b/44587a9edec3488d93c013a3a8cead42/FLAG05c97dc0d [2022-11-19 07:31:16,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/data/a1216620b/44587a9edec3488d93c013a3a8cead42 [2022-11-19 07:31:16,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:31:16,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:31:16,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:16,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:31:16,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:31:16,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:16" (1/1) ... [2022-11-19 07:31:16,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b355afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:16, skipping insertion in model container [2022-11-19 07:31:16,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:16" (1/1) ... [2022-11-19 07:31:16,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:31:16,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:31:17,047 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-19 07:31:17,054 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-19 07:31:17,934 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:31:18,007 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,008 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,008 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,009 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,010 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,022 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,023 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,025 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,025 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,027 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,028 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,029 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,029 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:31:18,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:31:18,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:31:18,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:31:18,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:31:18,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:31:18,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:31:18,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:31:18,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:31:18,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:31:18,510 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,511 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,515 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,541 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:18,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:31:18,687 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-19 07:31:18,687 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-19 07:31:18,756 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:31:18,782 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,786 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,787 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,788 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,788 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,795 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,798 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,800 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,800 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,803 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,804 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,804 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,805 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,864 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:31:18,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:31:18,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:31:18,869 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:31:18,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:31:18,871 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:31:18,872 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:31:18,872 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:31:18,873 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:31:18,873 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:31:18,929 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,930 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,931 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,937 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:31:18,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:19,243 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:31:19,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19 WrapperNode [2022-11-19 07:31:19,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:19,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:19,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:31:19,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:31:19,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,412 INFO L138 Inliner]: procedures = 691, calls = 1672, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 694 [2022-11-19 07:31:19,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:19,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:31:19,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:31:19,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:31:19,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:31:19,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:31:19,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:31:19,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:31:19,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (1/1) ... [2022-11-19 07:31:19,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:19,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:31:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:31:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:31:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 07:31:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 07:31:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 07:31:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 07:31:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:31:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:31:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-19 07:31:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-19 07:31:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:31:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 07:31:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 07:31:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:31:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:31:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:31:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:31:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:31:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 07:31:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 07:31:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:31:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:31:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:31:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:31:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 07:31:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 07:31:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-19 07:31:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-19 07:31:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-19 07:31:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-19 07:31:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:31:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:31:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 07:31:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 07:31:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-19 07:31:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-19 07:31:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:31:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:31:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:31:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:31:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:31:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 07:31:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 07:31:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:31:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 07:31:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 07:31:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:31:20,010 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:31:20,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:31:21,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:31:21,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:31:21,393 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:31:21,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:21 BoogieIcfgContainer [2022-11-19 07:31:21,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:31:21,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:31:21,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:31:21,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:31:21,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:31:16" (1/3) ... [2022-11-19 07:31:21,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675097c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:21, skipping insertion in model container [2022-11-19 07:31:21,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:19" (2/3) ... [2022-11-19 07:31:21,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675097c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:21, skipping insertion in model container [2022-11-19 07:31:21,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:21" (3/3) ... [2022-11-19 07:31:21,416 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2022-11-19 07:31:21,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:31:21,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:31:21,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:31:21,535 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55f609c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:31:21,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:31:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-11-19 07:31:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-19 07:31:21,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:21,559 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:21,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:21,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:21,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1241954246, now seen corresponding path program 1 times [2022-11-19 07:31:21,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:21,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528938765] [2022-11-19 07:31:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:21,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:22,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:22,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528938765] [2022-11-19 07:31:22,173 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:31:22,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101336804] [2022-11-19 07:31:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:22,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:22,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:22,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:22,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:31:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:22,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2319 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:31:22,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-19 07:31:22,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:22,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101336804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:22,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:22,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:31:22,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857372511] [2022-11-19 07:31:22,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:22,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:31:22,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:23,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:31:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:31:23,037 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:31:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:24,034 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-11-19 07:31:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:31:24,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 112 [2022-11-19 07:31:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:24,054 INFO L225 Difference]: With dead ends: 356 [2022-11-19 07:31:24,054 INFO L226 Difference]: Without dead ends: 180 [2022-11-19 07:31:24,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:24,062 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:24,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 07:31:24,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-19 07:31:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-19 07:31:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-19 07:31:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-11-19 07:31:24,157 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-11-19 07:31:24,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:24,158 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-11-19 07:31:24,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:31:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-11-19 07:31:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-19 07:31:24,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:24,169 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:24,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:24,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:31:24,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:24,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1177974957, now seen corresponding path program 1 times [2022-11-19 07:31:24,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:24,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245007669] [2022-11-19 07:31:24,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:24,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:24,471 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:24,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709122973] [2022-11-19 07:31:24,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:24,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:24,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:24,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:24,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:31:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:25,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:31:25,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-19 07:31:25,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:25,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245007669] [2022-11-19 07:31:25,256 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709122973] [2022-11-19 07:31:25,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709122973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:25,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:25,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:31:25,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598091462] [2022-11-19 07:31:25,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:25,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:31:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:25,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:31:25,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:31:25,260 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:31:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:26,426 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-11-19 07:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:31:26,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 121 [2022-11-19 07:31:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:26,429 INFO L225 Difference]: With dead ends: 330 [2022-11-19 07:31:26,429 INFO L226 Difference]: Without dead ends: 180 [2022-11-19 07:31:26,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:26,432 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:26,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 07:31:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-19 07:31:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-19 07:31:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-11-19 07:31:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-11-19 07:31:26,459 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-11-19 07:31:26,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:26,461 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-11-19 07:31:26,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:31:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-11-19 07:31:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-19 07:31:26,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:26,474 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:26,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:26,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:26,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:26,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:26,684 INFO L85 PathProgramCache]: Analyzing trace with hash 383857700, now seen corresponding path program 2 times [2022-11-19 07:31:26,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:26,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019226518] [2022-11-19 07:31:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:26,812 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861519177] [2022-11-19 07:31:26,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:31:26,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:26,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:26,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:26,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:31:27,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 07:31:27,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:31:27,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:31:27,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-19 07:31:27,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:27,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019226518] [2022-11-19 07:31:27,397 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861519177] [2022-11-19 07:31:27,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861519177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:27,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:27,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:31:27,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573433403] [2022-11-19 07:31:27,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:27,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:31:27,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:27,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:31:27,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:31:27,400 INFO L87 Difference]: Start difference. First operand 180 states and 256 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:31:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:28,767 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-11-19 07:31:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:31:28,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-11-19 07:31:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:28,770 INFO L225 Difference]: With dead ends: 228 [2022-11-19 07:31:28,770 INFO L226 Difference]: Without dead ends: 184 [2022-11-19 07:31:28,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:28,772 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:28,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:31:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-19 07:31:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-19 07:31:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-19 07:31:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-11-19 07:31:28,791 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-11-19 07:31:28,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:28,792 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-11-19 07:31:28,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:31:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-11-19 07:31:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 07:31:28,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:28,794 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:28,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:29,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:29,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:29,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1075315408, now seen corresponding path program 1 times [2022-11-19 07:31:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:29,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870445482] [2022-11-19 07:31:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:29,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:29,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:29,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782501471] [2022-11-19 07:31:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:29,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:29,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:29,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:29,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:31:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:29,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:31:29,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-19 07:31:29,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:29,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:29,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870445482] [2022-11-19 07:31:29,872 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:29,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782501471] [2022-11-19 07:31:29,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782501471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:29,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:29,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:31:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395730650] [2022-11-19 07:31:29,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:29,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:31:29,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:31:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:29,876 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-19 07:31:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:30,931 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-11-19 07:31:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:31:30,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 134 [2022-11-19 07:31:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:30,934 INFO L225 Difference]: With dead ends: 327 [2022-11-19 07:31:30,934 INFO L226 Difference]: Without dead ends: 184 [2022-11-19 07:31:30,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:31:30,936 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:30,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:31:30,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-19 07:31:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-19 07:31:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2022-11-19 07:31:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-11-19 07:31:30,953 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-11-19 07:31:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:30,954 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-11-19 07:31:30,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-19 07:31:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-11-19 07:31:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-19 07:31:30,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:30,957 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:30,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:31,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:31,171 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:31,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1509806044, now seen corresponding path program 1 times [2022-11-19 07:31:31,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:31,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510046010] [2022-11-19 07:31:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:31,280 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:31,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853198566] [2022-11-19 07:31:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:31,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:31,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:31,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:31,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:31:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:31,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:31:31,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-19 07:31:32,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:32,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:32,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510046010] [2022-11-19 07:31:32,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:32,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853198566] [2022-11-19 07:31:32,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853198566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:32,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:32,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:31:32,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617540441] [2022-11-19 07:31:32,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:32,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:31:32,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:32,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:31:32,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:32,071 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 07:31:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:33,048 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-11-19 07:31:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:31:33,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 142 [2022-11-19 07:31:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:33,051 INFO L225 Difference]: With dead ends: 324 [2022-11-19 07:31:33,051 INFO L226 Difference]: Without dead ends: 182 [2022-11-19 07:31:33,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:31:33,052 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:33,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 07:31:33,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-19 07:31:33,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-19 07:31:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 93 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-19 07:31:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-11-19 07:31:33,067 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-11-19 07:31:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:33,067 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-11-19 07:31:33,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 07:31:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-11-19 07:31:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-19 07:31:33,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:33,070 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:33,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:33,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:33,280 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:33,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:33,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1199198901, now seen corresponding path program 1 times [2022-11-19 07:31:33,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:33,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669519103] [2022-11-19 07:31:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:33,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:33,376 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:33,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683592456] [2022-11-19 07:31:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:33,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:33,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:33,378 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:33,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:31:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:34,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:31:34,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-19 07:31:34,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:34,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:34,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669519103] [2022-11-19 07:31:34,124 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:34,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683592456] [2022-11-19 07:31:34,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683592456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:34,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:34,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:31:34,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145863251] [2022-11-19 07:31:34,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:34,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:31:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:31:34,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:31:34,126 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-19 07:31:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:34,929 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-11-19 07:31:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:31:34,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2022-11-19 07:31:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:34,931 INFO L225 Difference]: With dead ends: 227 [2022-11-19 07:31:34,932 INFO L226 Difference]: Without dead ends: 191 [2022-11-19 07:31:34,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:31:34,933 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:34,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1121 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:31:34,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-19 07:31:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-11-19 07:31:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-19 07:31:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-11-19 07:31:34,947 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-11-19 07:31:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:34,948 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-11-19 07:31:34,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-19 07:31:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-11-19 07:31:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-19 07:31:34,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:34,951 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:34,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-19 07:31:35,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:35,161 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:35,162 INFO L85 PathProgramCache]: Analyzing trace with hash 665308537, now seen corresponding path program 1 times [2022-11-19 07:31:35,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:35,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154861194] [2022-11-19 07:31:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:35,282 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:31:35,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944061698] [2022-11-19 07:31:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:35,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:35,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:35,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b165d91-3ac4-4ab5-a199-e2934e7010ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 07:31:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:36,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 146 conjunts are in the unsatisfiable core [2022-11-19 07:31:36,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:36,200 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:31:36,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 07:31:36,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 07:31:36,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 07:31:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:37,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 07:31:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:37,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 07:31:37,174 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:31:37,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 07:31:37,794 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_886 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_886) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_887 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_887)))) is different from true [2022-11-19 07:31:37,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 07:31:37,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 07:31:38,001 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_889))) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891)) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 07:31:38,022 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_889)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_891))))) is different from true [2022-11-19 07:31:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 07:31:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:38,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 07:31:38,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:31:38,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:31:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 165 proven. 46 refuted. 0 times theorem prover too weak. 91 trivial. 7 not checked. [2022-11-19 07:31:38,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:31:39,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:39,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154861194] [2022-11-19 07:31:39,440 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:31:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944061698] [2022-11-19 07:31:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944061698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:31:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1147843433] [2022-11-19 07:31:39,471 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-11-19 07:31:39,472 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:31:39,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:31:39,481 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:31:39,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:31:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:31:43,743 INFO L217 Elim1Store]: Index analysis took 748 ms [2022-11-19 07:33:11,026 WARN L233 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:33:11,037 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-19 07:33:11,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-19 07:33:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:33:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:33:17,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-11-19 07:35:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-19 07:35:03,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:35:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 07:35:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 07:35:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:08,925 INFO L217 Elim1Store]: Index analysis took 141 ms [2022-11-19 07:35:08,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:35:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:09,819 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-19 07:35:09,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:35:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:10,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:35:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 07:35:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:11,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 07:35:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:28,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:35:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,114 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-19 07:35:29,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:35:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:29,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 07:35:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 07:35:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:31,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:35:34,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:35:34,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:34,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:35:34,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:34,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:35:34,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:35:34,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:35:34,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:35:34,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:34,436 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:34,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 07:35:34,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:34,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:34,542 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:34,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 07:35:34,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:34,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:37,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:35:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:35:37,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:35:40,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:35:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:35:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:35:44,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-19 07:35:44,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-19 07:35:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:44,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:35:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:44,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:35:44,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:35:44,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:35:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:44,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:35:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:44,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:35:45,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,109 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:45,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-19 07:35:45,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-19 07:35:45,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-19 07:35:45,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,549 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:45,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-19 07:35:45,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-19 07:35:45,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:45,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-19 07:35:46,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:35:46,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:46,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:46,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:46,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:46,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:46,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:46,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:25,159 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2022-11-19 07:36:25,166 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 68 for LOIs [2022-11-19 07:36:25,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:36:25,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:36:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:25,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:36:25,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 07:36:25,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:25,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:25,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:25,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:25,618 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:36:25,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 07:36:25,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:36:25,962 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3253 for LOIs [2022-11-19 07:36:42,287 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 41 for LOIs [2022-11-19 07:36:42,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:36:42,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:36:42,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:36:42,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:36:42,746 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 43 for LOIs [2022-11-19 07:36:42,757 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 56 for LOIs [2022-11-19 07:36:42,771 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3317 for LOIs [2022-11-19 07:38:48,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:38:48,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:38:48,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:38:48,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:39:19,082 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 37 for LOIs [2022-11-19 07:39:19,085 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-19 07:39:19,087 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:42:39,749 WARN L233 SmtUtils]: Spent 3.27m on a formula simplification. DAG size of input: 3206 DAG size of output: 2438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)