./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:56,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:56,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:58:56,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:56,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:56,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:56,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:56,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:56,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:56,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:56,726 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:56,727 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:56,727 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:56,728 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:56,729 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:56,729 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:56,730 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:56,731 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:56,731 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:56,732 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:56,733 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:56,734 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:56,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:56,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:56,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:56,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:56,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:56,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:56,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:56,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:56,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:56,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:56,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:56,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:56,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:56,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:56,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:56,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:56,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:56,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:56,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:56,750 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:56,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:56,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:56,751 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:56,751 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:56,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:56,752 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 [2023-11-24 23:58:57,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:57,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:57,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:57,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:57,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:57,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/seq-pthread/cs_fib-1.i [2023-11-24 23:59:00,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:00,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:00,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/sv-benchmarks/c/seq-pthread/cs_fib-1.i [2023-11-24 23:59:00,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/data/cce737b45/a132012325714d61a74dc10e307e3e58/FLAG44db517f6 [2023-11-24 23:59:00,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/data/cce737b45/a132012325714d61a74dc10e307e3e58 [2023-11-24 23:59:00,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:00,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:00,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:00,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:00,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:00,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:00" (1/1) ... [2023-11-24 23:59:00,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aaf25bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:00, skipping insertion in model container [2023-11-24 23:59:00,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:00" (1/1) ... [2023-11-24 23:59:00,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:01,053 WARN L240 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_c7358307-035a-48e2-88a0-6ff9b947cfb1/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2023-11-24 23:59:01,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:01,182 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:01,240 WARN L240 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_c7358307-035a-48e2-88a0-6ff9b947cfb1/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2023-11-24 23:59:01,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:01,390 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:01,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01 WrapperNode [2023-11-24 23:59:01,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:01,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:01,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:01,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:01,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,532 INFO L138 Inliner]: procedures = 144, calls = 352, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 676 [2023-11-24 23:59:01,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:01,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:01,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:01,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:01,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:01,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:01,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:01,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:01,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:01,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:01,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:01,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:59:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:59:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:59:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:59:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:59:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:59:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-24 23:59:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-24 23:59:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:59:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-24 23:59:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-24 23:59:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:59:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-24 23:59:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-24 23:59:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:59:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:02,027 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:02,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:02,374 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-24 23:59:02,374 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-24 23:59:02,375 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-24 23:59:02,375 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-24 23:59:02,375 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2023-11-24 23:59:02,375 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-24 23:59:02,375 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-24 23:59:04,939 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:05,220 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:05,224 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:59:05,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:05 BoogieIcfgContainer [2023-11-24 23:59:05,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:05,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:05,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:05,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:05,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:00" (1/3) ... [2023-11-24 23:59:05,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee0d916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:05, skipping insertion in model container [2023-11-24 23:59:05,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01" (2/3) ... [2023-11-24 23:59:05,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee0d916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:05, skipping insertion in model container [2023-11-24 23:59:05,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:05" (3/3) ... [2023-11-24 23:59:05,239 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib-1.i [2023-11-24 23:59:05,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:05,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:59:05,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:05,340 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=LoopHeads, 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;@55afc677, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:05,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:59:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 84 states have (on average 1.25) internal successors, (105), 85 states have internal predecessors, (105), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-24 23:59:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-24 23:59:05,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:05,389 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:05,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:05,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:05,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1649472882, now seen corresponding path program 1 times [2023-11-24 23:59:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:05,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025850677] [2023-11-24 23:59:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-24 23:59:07,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:07,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025850677] [2023-11-24 23:59:07,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025850677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:07,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:07,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:59:07,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811753078] [2023-11-24 23:59:07,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:07,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:59:07,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:07,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:59:07,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:59:07,329 INFO L87 Difference]: Start difference. First operand has 149 states, 84 states have (on average 1.25) internal successors, (105), 85 states have internal predecessors, (105), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:09,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:11,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:11,630 INFO L93 Difference]: Finished difference Result 297 states and 445 transitions. [2023-11-24 23:59:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:59:11,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 170 [2023-11-24 23:59:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:11,650 INFO L225 Difference]: With dead ends: 297 [2023-11-24 23:59:11,651 INFO L226 Difference]: Without dead ends: 149 [2023-11-24 23:59:11,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:59:11,668 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 2 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:11,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 400 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-24 23:59:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-24 23:59:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2023-11-24 23:59:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 84 states have internal predecessors, (103), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-24 23:59:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 221 transitions. [2023-11-24 23:59:11,737 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 221 transitions. Word has length 170 [2023-11-24 23:59:11,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:11,738 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 221 transitions. [2023-11-24 23:59:11,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2023-11-24 23:59:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-24 23:59:11,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:11,748 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:11,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:59:11,748 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:11,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1077654574, now seen corresponding path program 1 times [2023-11-24 23:59:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:11,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400003435] [2023-11-24 23:59:11,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-24 23:59:12,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:12,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400003435] [2023-11-24 23:59:12,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400003435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:12,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:12,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:59:12,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987360354] [2023-11-24 23:59:12,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:12,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:59:12,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:12,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:59:12,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:59:12,947 INFO L87 Difference]: Start difference. First operand 148 states and 221 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:15,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:17,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:17,192 INFO L93 Difference]: Finished difference Result 295 states and 442 transitions. [2023-11-24 23:59:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:59:17,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 172 [2023-11-24 23:59:17,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:17,196 INFO L225 Difference]: With dead ends: 295 [2023-11-24 23:59:17,196 INFO L226 Difference]: Without dead ends: 149 [2023-11-24 23:59:17,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:59:17,199 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:17,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 399 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-24 23:59:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-24 23:59:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2023-11-24 23:59:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 85 states have (on average 1.223529411764706) internal successors, (104), 85 states have internal predecessors, (104), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-24 23:59:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 222 transitions. [2023-11-24 23:59:17,227 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 222 transitions. Word has length 172 [2023-11-24 23:59:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:17,228 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 222 transitions. [2023-11-24 23:59:17,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2023-11-24 23:59:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-24 23:59:17,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:17,233 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:17,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:59:17,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:17,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:17,235 INFO L85 PathProgramCache]: Analyzing trace with hash 443667456, now seen corresponding path program 1 times [2023-11-24 23:59:17,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:17,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022945030] [2023-11-24 23:59:17,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-24 23:59:18,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:18,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022945030] [2023-11-24 23:59:18,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022945030] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:59:18,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054078492] [2023-11-24 23:59:18,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:18,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:18,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:18,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:59:18,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:59:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:20,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:59:20,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-24 23:59:20,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:59:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-24 23:59:20,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054078492] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:59:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1168177359] [2023-11-24 23:59:20,285 INFO L159 IcfgInterpreter]: Started Sifa with 94 locations of interest [2023-11-24 23:59:20,286 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:59:20,292 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:59:20,298 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:59:20,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:59:34,725 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:59:37,374 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_~#__CS_u~0.base| 9) (= 2 c_~__THREAD_FINISHED~0) (= |c_~#__CS_thread_born_round~0.offset| 0) (= c_~__CS_ret_FINISHED~0 4) (= 7 |c_~#i~0.base|) (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (= 5 |c_~#__CS_thread_status~0.base|) (= 6 |c_~#__CS_thread_lockedon~0.base|) (= 2 c_~__CS_ret_ERROR~0) (<= 6 |c_ULTIMATE.start_main_~k~3#1|) (= c_~__CS_ret~0 0) (= (select (select |c_#memory_int| 3) 0) |c_ULTIMATE.start_main_#t~mem85#1|) (= |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.offset| 0) (= |c_~#__CS_thread_born_round~0.base| 4) (exists ((|v_#memory_$Pointer$.offset_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_225| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_226| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_227| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_228| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_229| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_240| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_241| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_220| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_242| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_243| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_221| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_222| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_223| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_224| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_236| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_237| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_238| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_217| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_239| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_218| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_219| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_230| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_231| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_232| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_233| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_234| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_235| (Array Int (Array Int Int)))) (let ((.cse9 (select |v_#memory_$Pointer$.offset_221| 5)) (.cse10 (select |v_#memory_$Pointer$.offset_232| 5)) (.cse5 (select |v_#memory_$Pointer$.offset_237| 8)) (.cse7 (select |v_#memory_$Pointer$.offset_226| 7)) (.cse2 (select |v_#memory_$Pointer$.offset_225| 7)) (.cse0 (select |v_#memory_$Pointer$.offset_222| 5)) (.cse29 (select |v_#memory_$Pointer$.offset_241| 5)) (.cse27 (select |v_#memory_$Pointer$.offset_233| 5)) (.cse4 (select |v_#memory_$Pointer$.offset_239| 5)) (.cse30 (select |v_#memory_$Pointer$.offset_230| 5)) (.cse3 (select |v_#memory_$Pointer$.offset_231| 5)) (.cse25 (select |v_#memory_$Pointer$.offset_228| 7)) (.cse6 (select |v_#memory_$Pointer$.offset_227| 7)) (.cse33 (select |v_#memory_$Pointer$.offset_218| 5)) (.cse26 (select |v_#memory_$Pointer$.offset_219| 5)) (.cse28 (select |v_#memory_$Pointer$.offset_238| 8)) (.cse1 (select |v_#memory_$Pointer$.offset_223| 5)) (.cse8 (select |v_#memory_$Pointer$.offset_220| 5)) (.cse34 (select |v_#memory_$Pointer$.offset_229| 5)) (.cse31 (select |v_#memory_$Pointer$.offset_224| 5)) (.cse35 (select |v_#memory_$Pointer$.offset_235| 8)) (.cse32 (select |v_#memory_$Pointer$.offset_236| 8))) (and (= (store |v_#memory_$Pointer$.offset_222| 5 (store .cse0 10 (select .cse1 10))) |v_#memory_$Pointer$.offset_223|) (= (store |v_#memory_$Pointer$.offset_225| 7 (store .cse2 20 (select (select |v_#memory_$Pointer$.offset_240| 7) 20))) |v_#memory_$Pointer$.offset_240|) (= |v_#memory_$Pointer$.offset_239| (store |v_#memory_$Pointer$.offset_231| 5 (store .cse3 12 (select .cse4 12)))) (= (store |v_#memory_$Pointer$.offset_240| 8 (store (select |v_#memory_$Pointer$.offset_240| 8) 4 (select .cse5 4))) |v_#memory_$Pointer$.offset_237|) (= |v_#memory_$Pointer$.offset_226| (store |v_#memory_$Pointer$.offset_227| 7 (store .cse6 12 (select .cse7 12)))) (= (store |v_#memory_$Pointer$.offset_220| 5 (store .cse8 16 (select .cse9 16))) |v_#memory_$Pointer$.offset_221|) (= |v_#memory_$Pointer$.offset_232| (store |v_#memory_$Pointer$.offset_221| 5 (store .cse9 5 (select .cse10 5)))) (= (store |v_#memory_$Pointer$.offset_242| 3 (store (select |v_#memory_$Pointer$.offset_242| 3) 0 (select (select |c_#memory_$Pointer$.offset| 3) 0))) |c_#memory_$Pointer$.offset|) (= (store (store |v_#memory_$Pointer$.offset_217| 6 (let ((.cse11 (let ((.cse12 (let ((.cse13 (let ((.cse14 (let ((.cse15 (let ((.cse16 (let ((.cse17 (let ((.cse18 (let ((.cse19 (let ((.cse20 (let ((.cse21 (let ((.cse22 (let ((.cse23 (let ((.cse24 (store (select |v_#memory_$Pointer$.offset_217| 6) 12 (select (select |v_#memory_$Pointer$.offset_217| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 12)))) (store .cse24 24 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse24) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 24))))) (store .cse23 36 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse23) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 36))))) (store .cse22 48 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse22) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 48))))) (store .cse21 60 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse21) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 60))))) (store .cse20 16 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse20) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 16))))) (store .cse19 28 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse19) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 28))))) (store .cse18 40 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse18) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 40))))) (store .cse17 52 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse17) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 52))))) (store .cse16 64 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse16) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 64))))) (store .cse15 20 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse15) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 20))))) (store .cse14 32 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse14) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 32))))) (store .cse13 44 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse13) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 44))))) (store .cse12 56 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse12) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 56))))) (store .cse11 68 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse11) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 68)))) 7 (store (select |v_#memory_$Pointer$.offset_217| 7) 4 (select .cse25 4))) |v_#memory_$Pointer$.offset_228|) (= |v_#memory_$Pointer$.offset_217| (store |v_#memory_$Pointer$.offset_219| 5 (store .cse26 17 (select (select |v_#memory_$Pointer$.offset_217| 5) 17)))) (= (store |v_#memory_$Pointer$.offset_232| 5 (store .cse10 8 (select .cse27 8))) |v_#memory_$Pointer$.offset_233|) (= (store |v_#memory_$Pointer$.offset_237| 8 (store .cse5 8 (select .cse28 8))) |v_#memory_$Pointer$.offset_238|) (= (store |v_#memory_$Pointer$.offset_226| 7 (store .cse7 16 (select .cse2 16))) |v_#memory_$Pointer$.offset_225|) (= |v_#memory_$Pointer$.offset_234| (store |v_#memory_$Pointer$.offset_243| 4 (store (select |v_#memory_$Pointer$.offset_243| 4) 0 (select (select |v_#memory_$Pointer$.offset_234| 4) 0)))) (= (store |v_#memory_$Pointer$.offset_241| 5 (store .cse29 6 (select .cse30 6))) |v_#memory_$Pointer$.offset_230|) (= (store |v_#memory_$Pointer$.offset_224| 5 (store .cse31 7 (select .cse0 7))) |v_#memory_$Pointer$.offset_222|) (= |v_#memory_$Pointer$.offset_241| (store |v_#memory_$Pointer$.offset_401| 5 (store (select |v_#memory_$Pointer$.offset_401| 5) 3 (select .cse29 3)))) (= |v_#memory_$Pointer$.offset_243| (store |v_#memory_$Pointer$.offset_236| 8 (store .cse32 20 (select (select |v_#memory_$Pointer$.offset_243| 8) 20)))) (= |v_#memory_$Pointer$.offset_218| (store |v_#memory_$Pointer$.offset_233| 5 (store .cse27 11 (select .cse33 11)))) (= (store |v_#memory_$Pointer$.offset_239| 5 (store .cse4 15 (select .cse34 15))) |v_#memory_$Pointer$.offset_229|) (= (store |v_#memory_$Pointer$.offset_230| 5 (store .cse30 9 (select .cse3 9))) |v_#memory_$Pointer$.offset_231|) (= |v_#memory_$Pointer$.offset_227| (store |v_#memory_$Pointer$.offset_228| 7 (store .cse25 8 (select .cse6 8)))) (= (store |v_#memory_$Pointer$.offset_218| 5 (store .cse33 14 (select .cse26 14))) |v_#memory_$Pointer$.offset_219|) (= (store |v_#memory_$Pointer$.offset_234| 5 (store (select |v_#memory_$Pointer$.offset_234| 5) 0 (select (select |v_#memory_$Pointer$.offset_242| 5) 0))) |v_#memory_$Pointer$.offset_242|) (= (store |v_#memory_$Pointer$.offset_238| 8 (store .cse28 12 (select .cse35 12))) |v_#memory_$Pointer$.offset_235|) (= |v_#memory_$Pointer$.offset_220| (store |v_#memory_$Pointer$.offset_223| 5 (store .cse1 13 (select .cse8 13)))) (= (store |v_#memory_$Pointer$.offset_229| 5 (store .cse34 4 (select .cse31 4))) |v_#memory_$Pointer$.offset_224|) (= (store |v_#memory_$Pointer$.offset_235| 8 (store .cse35 16 (select .cse32 16))) |v_#memory_$Pointer$.offset_236|)))) (exists ((|v_#memory_int_190| (Array Int (Array Int Int))) (|v_#memory_int_191| (Array Int (Array Int Int))) (|v_#memory_int_192| (Array Int (Array Int Int))) (|v_#memory_int_193| (Array Int (Array Int Int))) (|v_#memory_int_187| (Array Int (Array Int Int))) (|v_#memory_int_198| (Array Int (Array Int Int))) (|v_#memory_int_188| (Array Int (Array Int Int))) (|v_#memory_int_199| (Array Int (Array Int Int))) (|v_#memory_int_189| (Array Int (Array Int Int))) (|v_#memory_int_200| (Array Int (Array Int Int))) (|v_#memory_int_194| (Array Int (Array Int Int))) (|v_#memory_int_293| (Array Int (Array Int Int))) (|v_#memory_int_195| (Array Int (Array Int Int))) (|v_#memory_int_196| (Array Int (Array Int Int))) (|v_#memory_int_186| (Array Int (Array Int Int))) (|v_#memory_int_197| (Array Int (Array Int Int)))) (let ((.cse37 (select |v_#memory_int_191| 6)) (.cse42 (select |v_#memory_int_187| 6)) (.cse46 (select |v_#memory_int_196| 6)) (.cse49 (select |v_#memory_int_195| 6)) (.cse40 (select |v_#memory_int_194| 6)) (.cse41 (select |v_#memory_int_193| 6)) (.cse44 (select |v_#memory_int_188| 6)) (.cse38 (select |v_#memory_int_189| 6)) (.cse48 (select |v_#memory_int_198| 6)) (.cse45 (select |v_#memory_int_190| 6)) (.cse39 (select |v_#memory_int_200| 6)) (.cse47 (select |v_#memory_int_199| 6)) (.cse43 (select |v_#memory_int_197| 6)) (.cse36 (select |v_#memory_int_192| 6))) (and (= (store |v_#memory_int_192| 6 (store .cse36 56 (select .cse37 56))) |v_#memory_int_191|) (= |v_#memory_int_200| (store |v_#memory_int_189| 6 (store .cse38 24 (select .cse39 24)))) (= (store |v_#memory_int_194| 6 (store .cse40 52 (select .cse41 52))) |v_#memory_int_193|) (= (store |v_#memory_int_187| 6 (store .cse42 32 (select .cse43 32))) |v_#memory_int_197|) (= (store |v_#memory_int_191| 6 (store .cse37 68 (select (select |v_#memory_int_186| 6) 68))) |v_#memory_int_186|) (= (store |v_#memory_int_188| 6 (store .cse44 20 (select .cse42 20))) |v_#memory_int_187|) (= (store |v_#memory_int_190| 6 (store .cse45 16 (select .cse46 16))) |v_#memory_int_196|) (= (store |v_#memory_int_199| 6 (store .cse47 48 (select .cse48 48))) |v_#memory_int_198|) (= (store |v_#memory_int_196| 6 (store .cse46 28 (select .cse49 28))) |v_#memory_int_195|) (= |v_#memory_int_194| (store |v_#memory_int_195| 6 (store .cse49 40 (select .cse40 40)))) (= (store |v_#memory_int_193| 6 (store .cse41 64 (select .cse44 64))) |v_#memory_int_188|) (= (store (store |v_#memory_int_293| 5 (let ((.cse50 (let ((.cse51 (let ((.cse52 (let ((.cse53 (let ((.cse54 (let ((.cse55 (let ((.cse56 (let ((.cse57 (let ((.cse58 (let ((.cse59 (let ((.cse60 (let ((.cse61 (let ((.cse62 (let ((.cse63 (store (select |v_#memory_int_293| 5) 3 (select (select |v_#memory_int_293| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 3)))) (store .cse63 6 (select (select (store |v_#memory_int_293| 5 .cse63) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 6))))) (store .cse62 9 (select (select (store |v_#memory_int_293| 5 .cse62) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 9))))) (store .cse61 12 (select (select (store |v_#memory_int_293| 5 .cse61) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 12))))) (store .cse60 15 (select (select (store |v_#memory_int_293| 5 .cse60) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 15))))) (store .cse59 4 (select (select (store |v_#memory_int_293| 5 .cse59) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 4))))) (store .cse58 7 (select (select (store |v_#memory_int_293| 5 .cse58) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 7))))) (store .cse57 10 (select (select (store |v_#memory_int_293| 5 .cse57) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 10))))) (store .cse56 13 (select (select (store |v_#memory_int_293| 5 .cse56) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 13))))) (store .cse55 16 (select (select (store |v_#memory_int_293| 5 .cse55) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 16))))) (store .cse54 5 (select (select (store |v_#memory_int_293| 5 .cse54) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 5))))) (store .cse53 8 (select (select (store |v_#memory_int_293| 5 .cse53) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 8))))) (store .cse52 11 (select (select (store |v_#memory_int_293| 5 .cse52) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 11))))) (store .cse51 14 (select (select (store |v_#memory_int_293| 5 .cse51) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 14))))) (store .cse50 17 (select (select (store |v_#memory_int_293| 5 .cse50) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 17)))) 6 (store (select |v_#memory_int_293| 6) 12 (select .cse38 12))) |v_#memory_int_189|) (= |v_#memory_int_190| (store |v_#memory_int_198| 6 (store .cse48 60 (select .cse45 60)))) (= (store |v_#memory_int_200| 6 (store .cse39 36 (select .cse47 36))) |v_#memory_int_199|) (= |c_#memory_int| (store (store (store (let ((.cse64 (store |v_#memory_int_186| 7 (let ((.cse69 (let ((.cse70 (let ((.cse71 (let ((.cse72 (store (select |v_#memory_int_186| 7) 4 (select (select |v_#memory_int_186| |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 4)))) (store .cse72 8 (select (select (store |v_#memory_int_186| 7 .cse72) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 8))))) (store .cse71 12 (select (select (store |v_#memory_int_186| 7 .cse71) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 12))))) (store .cse70 16 (select (select (store |v_#memory_int_186| 7 .cse70) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 16))))) (store .cse69 20 (select (select (store |v_#memory_int_186| 7 .cse69) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 20)))))) (store .cse64 8 (let ((.cse65 (let ((.cse66 (let ((.cse67 (let ((.cse68 (store (select |v_#memory_int_186| 8) 4 (select (select .cse64 |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 4)))) (store .cse68 8 (select (select (store .cse64 8 .cse68) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 8))))) (store .cse67 12 (select (select (store .cse64 8 .cse67) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 12))))) (store .cse66 16 (select (select (store .cse64 8 .cse66) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 16))))) (store .cse65 20 (select (select (store .cse64 8 .cse65) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 20))))) 4 (store (select |v_#memory_int_186| 4) 0 0)) 5 (store (select |v_#memory_int_186| 5) 0 1)) 3 (store (select |v_#memory_int_186| 3) 0 1))) (= (store |v_#memory_int_197| 6 (store .cse43 44 (select .cse36 44))) |v_#memory_int_192|)))) (= 3 |c_~#__CS_thread_allocated~0.base|) (= |c_~#j~2.base| 8) (let ((.cse73 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|)) (.cse74 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|)) (.cse75 (<= 1 |c_#StackHeapBarrier|)) (.cse76 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|)) (.cse77 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|))) (or (and .cse73 .cse74 .cse75 .cse76 (<= 3 |c_ULTIMATE.start_main_~l~0#1|) .cse77) (and .cse73 .cse74 .cse75 .cse76 .cse77))) (= c_~__CS_error~0 0) (= c_~__THREAD_UNUSED~0 0) (= 1 c_~__THREAD_RUNNING~0) (= |c_~#__CS_thread_status~0.offset| 0) (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) (exists ((|v_#memory_$Pointer$.base_229| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_228| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_227| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_240| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_226| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_225| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_224| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_223| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_222| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_243| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_221| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_242| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_220| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_241| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_219| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_218| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_217| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_239| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_238| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_237| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_236| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_235| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_234| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_233| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_232| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_231| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_230| (Array Int (Array Int Int)))) (let ((.cse84 (select |v_#memory_$Pointer$.base_220| 5)) (.cse86 (select |v_#memory_$Pointer$.base_234| 5)) (.cse83 (select |v_#memory_$Pointer$.base_217| 8)) (.cse85 (select |v_#memory_$Pointer$.base_222| 5)) (.cse94 (select |v_#memory_$Pointer$.base_218| 8)) (.cse89 (select |v_#memory_$Pointer$.base_235| 5)) (.cse92 (select |v_#memory_$Pointer$.base_221| 5)) (.cse95 (select |v_#memory_$Pointer$.base_236| 5)) (.cse99 (select |v_#memory_$Pointer$.base_227| 7)) (.cse81 (select |v_#memory_$Pointer$.base_229| 7)) (.cse80 (select |v_#memory_$Pointer$.base_242| 5)) (.cse97 (select |v_#memory_$Pointer$.base_241| 5)) (.cse90 (select |v_#memory_$Pointer$.base_238| 5)) (.cse78 (select |v_#memory_$Pointer$.base_237| 5)) (.cse82 (select |v_#memory_$Pointer$.base_226| 7)) (.cse98 (select |v_#memory_$Pointer$.base_228| 7)) (.cse87 (select |v_#memory_$Pointer$.base_240| 5)) (.cse79 (select |v_#memory_$Pointer$.base_239| 5)) (.cse91 (select |v_#memory_$Pointer$.base_243| 8)) (.cse93 (select |v_#memory_$Pointer$.base_219| 8)) (.cse96 (select |v_#memory_$Pointer$.base_233| 5)) (.cse88 (select |v_#memory_$Pointer$.base_232| 5))) (and (= (store |v_#memory_$Pointer$.base_237| 5 (store .cse78 17 (select (select |v_#memory_$Pointer$.base_231| 5) 17))) |v_#memory_$Pointer$.base_231|) (= (store |v_#memory_$Pointer$.base_239| 5 (store .cse79 13 (select .cse80 13))) |v_#memory_$Pointer$.base_242|) (= (store |v_#memory_$Pointer$.base_229| 7 (store .cse81 16 (select .cse82 16))) |v_#memory_$Pointer$.base_226|) (= |v_#memory_$Pointer$.base_217| (store |v_#memory_$Pointer$.base_230| 8 (store (select |v_#memory_$Pointer$.base_230| 8) 4 (select .cse83 4)))) (= (store |v_#memory_$Pointer$.base_220| 5 (store .cse84 6 (select .cse85 6))) |v_#memory_$Pointer$.base_222|) (= (store |v_#memory_$Pointer$.base_234| 5 (store .cse86 7 (select .cse87 7))) |v_#memory_$Pointer$.base_240|) (= (store |v_#memory_$Pointer$.base_401| 5 (store (select |v_#memory_$Pointer$.base_401| 5) 3 (select .cse84 3))) |v_#memory_$Pointer$.base_220|) (= (store |v_#memory_$Pointer$.base_232| 5 (store .cse88 4 (select .cse86 4))) |v_#memory_$Pointer$.base_234|) (= (store |v_#memory_$Pointer$.base_235| 5 (store .cse89 11 (select .cse90 11))) |v_#memory_$Pointer$.base_238|) (= (store |v_#memory_$Pointer$.base_223| 5 (store (select |v_#memory_$Pointer$.base_223| 5) 0 (select (select |v_#memory_$Pointer$.base_225| 5) 0))) |v_#memory_$Pointer$.base_225|) (= (store |v_#memory_$Pointer$.base_217| 8 (store .cse83 8 (select .cse91 8))) |v_#memory_$Pointer$.base_243|) (= (store |v_#memory_$Pointer$.base_222| 5 (store .cse85 9 (select .cse92 9))) |v_#memory_$Pointer$.base_221|) (= (store |v_#memory_$Pointer$.base_219| 8 (store .cse93 16 (select .cse94 16))) |v_#memory_$Pointer$.base_218|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_225| 3 (store (select |v_#memory_$Pointer$.base_225| 3) 0 (select (select |c_#memory_$Pointer$.base| 3) 0)))) (= (store |v_#memory_$Pointer$.base_218| 8 (store .cse94 20 (select (select |v_#memory_$Pointer$.base_224| 8) 20))) |v_#memory_$Pointer$.base_224|) (= (store |v_#memory_$Pointer$.base_236| 5 (store .cse95 8 (select .cse89 8))) |v_#memory_$Pointer$.base_235|) (= (store |v_#memory_$Pointer$.base_224| 4 (store (select |v_#memory_$Pointer$.base_224| 4) 0 (select (select |v_#memory_$Pointer$.base_223| 4) 0))) |v_#memory_$Pointer$.base_223|) (= |v_#memory_$Pointer$.base_233| (store |v_#memory_$Pointer$.base_221| 5 (store .cse92 12 (select .cse96 12)))) (= |v_#memory_$Pointer$.base_236| (store |v_#memory_$Pointer$.base_241| 5 (store .cse97 5 (select .cse95 5)))) (= (store |v_#memory_$Pointer$.base_228| 7 (store .cse98 8 (select .cse99 8))) |v_#memory_$Pointer$.base_227|) (= (store |v_#memory_$Pointer$.base_227| 7 (store .cse99 12 (select .cse81 12))) |v_#memory_$Pointer$.base_229|) (= (store |v_#memory_$Pointer$.base_242| 5 (store .cse80 16 (select .cse97 16))) |v_#memory_$Pointer$.base_241|) (= (store |v_#memory_$Pointer$.base_238| 5 (store .cse90 14 (select .cse78 14))) |v_#memory_$Pointer$.base_237|) (= |v_#memory_$Pointer$.base_230| (store |v_#memory_$Pointer$.base_226| 7 (store .cse82 20 (select (select |v_#memory_$Pointer$.base_230| 7) 20)))) (= (store (store |v_#memory_$Pointer$.base_231| 6 (let ((.cse100 (let ((.cse101 (let ((.cse102 (let ((.cse103 (let ((.cse104 (let ((.cse105 (let ((.cse106 (let ((.cse107 (let ((.cse108 (let ((.cse109 (let ((.cse110 (let ((.cse111 (let ((.cse112 (let ((.cse113 (store (select |v_#memory_$Pointer$.base_231| 6) 12 (select (select |v_#memory_$Pointer$.base_231| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 12)))) (store .cse113 24 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse113) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 24))))) (store .cse112 36 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse112) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 36))))) (store .cse111 48 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse111) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 48))))) (store .cse110 60 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse110) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 60))))) (store .cse109 16 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse109) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 16))))) (store .cse108 28 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse108) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 28))))) (store .cse107 40 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse107) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 40))))) (store .cse106 52 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse106) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 52))))) (store .cse105 64 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse105) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 64))))) (store .cse104 20 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse104) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 20))))) (store .cse103 32 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse103) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 32))))) (store .cse102 44 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse102) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 44))))) (store .cse101 56 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse101) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 56))))) (store .cse100 68 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse100) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 68)))) 7 (store (select |v_#memory_$Pointer$.base_231| 7) 4 (select .cse98 4))) |v_#memory_$Pointer$.base_228|) (= (store |v_#memory_$Pointer$.base_240| 5 (store .cse87 10 (select .cse79 10))) |v_#memory_$Pointer$.base_239|) (= (store |v_#memory_$Pointer$.base_243| 8 (store .cse91 12 (select .cse93 12))) |v_#memory_$Pointer$.base_219|) (= |v_#memory_$Pointer$.base_232| (store |v_#memory_$Pointer$.base_233| 5 (store .cse96 15 (select .cse88 15))))))) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (= |c_~#i~0.offset| 0) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0) (= |c_~#__CS_thread_allocated~0.offset| 0) (= |c_~#__CS_u~0.offset| 0) (= c_~__CS_ret_PREEMPTED~0 1) (= |c_~#__CS_thread_lockedon~0.offset| 0) (= |c_~#j~2.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0)) is different from false [2023-11-24 23:59:37,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1168177359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:37,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:59:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4, 4] total 9 [2023-11-24 23:59:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069743690] [2023-11-24 23:59:37,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:37,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:37,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:37,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:37,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=37, Unknown=1, NotChecked=12, Total=72 [2023-11-24 23:59:37,414 INFO L87 Difference]: Start difference. First operand 149 states and 222 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:39,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:41,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:43,603 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|)) (.cse1 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|)) (.cse2 (<= 1 |c_#StackHeapBarrier|)) (.cse3 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|)) (.cse77 (<= 2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|))) (and (= |c_~#__CS_u~0.base| 9) (= 2 c_~__THREAD_FINISHED~0) (= |c_~#__CS_thread_born_round~0.offset| 0) (= c_~__CS_ret_FINISHED~0 4) .cse0 (= 7 |c_~#i~0.base|) (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (= 5 |c_~#__CS_thread_status~0.base|) (= 6 |c_~#__CS_thread_lockedon~0.base|) (= 2 c_~__CS_ret_ERROR~0) .cse1 (<= 6 |c_ULTIMATE.start_main_~k~3#1|) (= c_~__CS_ret~0 0) (= (select (select |c_#memory_int| 3) 0) |c_ULTIMATE.start_main_#t~mem85#1|) (= |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.offset| 0) .cse2 (= |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.offset| 0) .cse3 (= |c_~#__CS_thread_born_round~0.base| 4) (exists ((|v_#memory_$Pointer$.offset_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_225| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_226| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_227| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_228| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_229| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_240| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_241| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_220| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_242| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_243| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_221| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_222| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_223| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_224| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_236| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_237| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_238| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_217| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_239| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_218| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_219| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_230| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_231| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_232| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_233| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_234| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_235| (Array Int (Array Int Int)))) (let ((.cse13 (select |v_#memory_$Pointer$.offset_221| 5)) (.cse14 (select |v_#memory_$Pointer$.offset_232| 5)) (.cse9 (select |v_#memory_$Pointer$.offset_237| 8)) (.cse11 (select |v_#memory_$Pointer$.offset_226| 7)) (.cse6 (select |v_#memory_$Pointer$.offset_225| 7)) (.cse4 (select |v_#memory_$Pointer$.offset_222| 5)) (.cse33 (select |v_#memory_$Pointer$.offset_241| 5)) (.cse31 (select |v_#memory_$Pointer$.offset_233| 5)) (.cse8 (select |v_#memory_$Pointer$.offset_239| 5)) (.cse34 (select |v_#memory_$Pointer$.offset_230| 5)) (.cse7 (select |v_#memory_$Pointer$.offset_231| 5)) (.cse29 (select |v_#memory_$Pointer$.offset_228| 7)) (.cse10 (select |v_#memory_$Pointer$.offset_227| 7)) (.cse37 (select |v_#memory_$Pointer$.offset_218| 5)) (.cse30 (select |v_#memory_$Pointer$.offset_219| 5)) (.cse32 (select |v_#memory_$Pointer$.offset_238| 8)) (.cse5 (select |v_#memory_$Pointer$.offset_223| 5)) (.cse12 (select |v_#memory_$Pointer$.offset_220| 5)) (.cse38 (select |v_#memory_$Pointer$.offset_229| 5)) (.cse35 (select |v_#memory_$Pointer$.offset_224| 5)) (.cse39 (select |v_#memory_$Pointer$.offset_235| 8)) (.cse36 (select |v_#memory_$Pointer$.offset_236| 8))) (and (= (store |v_#memory_$Pointer$.offset_222| 5 (store .cse4 10 (select .cse5 10))) |v_#memory_$Pointer$.offset_223|) (= (store |v_#memory_$Pointer$.offset_225| 7 (store .cse6 20 (select (select |v_#memory_$Pointer$.offset_240| 7) 20))) |v_#memory_$Pointer$.offset_240|) (= |v_#memory_$Pointer$.offset_239| (store |v_#memory_$Pointer$.offset_231| 5 (store .cse7 12 (select .cse8 12)))) (= (store |v_#memory_$Pointer$.offset_240| 8 (store (select |v_#memory_$Pointer$.offset_240| 8) 4 (select .cse9 4))) |v_#memory_$Pointer$.offset_237|) (= |v_#memory_$Pointer$.offset_226| (store |v_#memory_$Pointer$.offset_227| 7 (store .cse10 12 (select .cse11 12)))) (= (store |v_#memory_$Pointer$.offset_220| 5 (store .cse12 16 (select .cse13 16))) |v_#memory_$Pointer$.offset_221|) (= |v_#memory_$Pointer$.offset_232| (store |v_#memory_$Pointer$.offset_221| 5 (store .cse13 5 (select .cse14 5)))) (= (store |v_#memory_$Pointer$.offset_242| 3 (store (select |v_#memory_$Pointer$.offset_242| 3) 0 (select (select |c_#memory_$Pointer$.offset| 3) 0))) |c_#memory_$Pointer$.offset|) (= (store (store |v_#memory_$Pointer$.offset_217| 6 (let ((.cse15 (let ((.cse16 (let ((.cse17 (let ((.cse18 (let ((.cse19 (let ((.cse20 (let ((.cse21 (let ((.cse22 (let ((.cse23 (let ((.cse24 (let ((.cse25 (let ((.cse26 (let ((.cse27 (let ((.cse28 (store (select |v_#memory_$Pointer$.offset_217| 6) 12 (select (select |v_#memory_$Pointer$.offset_217| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 12)))) (store .cse28 24 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse28) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 24))))) (store .cse27 36 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse27) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 36))))) (store .cse26 48 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse26) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 48))))) (store .cse25 60 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse25) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 60))))) (store .cse24 16 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse24) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 16))))) (store .cse23 28 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse23) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 28))))) (store .cse22 40 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse22) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 40))))) (store .cse21 52 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse21) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 52))))) (store .cse20 64 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse20) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 64))))) (store .cse19 20 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse19) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 20))))) (store .cse18 32 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse18) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 32))))) (store .cse17 44 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse17) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 44))))) (store .cse16 56 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse16) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 56))))) (store .cse15 68 (select (select (store |v_#memory_$Pointer$.offset_217| 6 .cse15) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 68)))) 7 (store (select |v_#memory_$Pointer$.offset_217| 7) 4 (select .cse29 4))) |v_#memory_$Pointer$.offset_228|) (= |v_#memory_$Pointer$.offset_217| (store |v_#memory_$Pointer$.offset_219| 5 (store .cse30 17 (select (select |v_#memory_$Pointer$.offset_217| 5) 17)))) (= (store |v_#memory_$Pointer$.offset_232| 5 (store .cse14 8 (select .cse31 8))) |v_#memory_$Pointer$.offset_233|) (= (store |v_#memory_$Pointer$.offset_237| 8 (store .cse9 8 (select .cse32 8))) |v_#memory_$Pointer$.offset_238|) (= (store |v_#memory_$Pointer$.offset_226| 7 (store .cse11 16 (select .cse6 16))) |v_#memory_$Pointer$.offset_225|) (= |v_#memory_$Pointer$.offset_234| (store |v_#memory_$Pointer$.offset_243| 4 (store (select |v_#memory_$Pointer$.offset_243| 4) 0 (select (select |v_#memory_$Pointer$.offset_234| 4) 0)))) (= (store |v_#memory_$Pointer$.offset_241| 5 (store .cse33 6 (select .cse34 6))) |v_#memory_$Pointer$.offset_230|) (= (store |v_#memory_$Pointer$.offset_224| 5 (store .cse35 7 (select .cse4 7))) |v_#memory_$Pointer$.offset_222|) (= |v_#memory_$Pointer$.offset_241| (store |v_#memory_$Pointer$.offset_401| 5 (store (select |v_#memory_$Pointer$.offset_401| 5) 3 (select .cse33 3)))) (= |v_#memory_$Pointer$.offset_243| (store |v_#memory_$Pointer$.offset_236| 8 (store .cse36 20 (select (select |v_#memory_$Pointer$.offset_243| 8) 20)))) (= |v_#memory_$Pointer$.offset_218| (store |v_#memory_$Pointer$.offset_233| 5 (store .cse31 11 (select .cse37 11)))) (= (store |v_#memory_$Pointer$.offset_239| 5 (store .cse8 15 (select .cse38 15))) |v_#memory_$Pointer$.offset_229|) (= (store |v_#memory_$Pointer$.offset_230| 5 (store .cse34 9 (select .cse7 9))) |v_#memory_$Pointer$.offset_231|) (= |v_#memory_$Pointer$.offset_227| (store |v_#memory_$Pointer$.offset_228| 7 (store .cse29 8 (select .cse10 8)))) (= (store |v_#memory_$Pointer$.offset_218| 5 (store .cse37 14 (select .cse30 14))) |v_#memory_$Pointer$.offset_219|) (= (store |v_#memory_$Pointer$.offset_234| 5 (store (select |v_#memory_$Pointer$.offset_234| 5) 0 (select (select |v_#memory_$Pointer$.offset_242| 5) 0))) |v_#memory_$Pointer$.offset_242|) (= (store |v_#memory_$Pointer$.offset_238| 8 (store .cse32 12 (select .cse39 12))) |v_#memory_$Pointer$.offset_235|) (= |v_#memory_$Pointer$.offset_220| (store |v_#memory_$Pointer$.offset_223| 5 (store .cse5 13 (select .cse12 13)))) (= (store |v_#memory_$Pointer$.offset_229| 5 (store .cse38 4 (select .cse35 4))) |v_#memory_$Pointer$.offset_224|) (= (store |v_#memory_$Pointer$.offset_235| 8 (store .cse39 16 (select .cse36 16))) |v_#memory_$Pointer$.offset_236|)))) (exists ((|v_#memory_int_190| (Array Int (Array Int Int))) (|v_#memory_int_191| (Array Int (Array Int Int))) (|v_#memory_int_192| (Array Int (Array Int Int))) (|v_#memory_int_193| (Array Int (Array Int Int))) (|v_#memory_int_187| (Array Int (Array Int Int))) (|v_#memory_int_198| (Array Int (Array Int Int))) (|v_#memory_int_188| (Array Int (Array Int Int))) (|v_#memory_int_199| (Array Int (Array Int Int))) (|v_#memory_int_189| (Array Int (Array Int Int))) (|v_#memory_int_200| (Array Int (Array Int Int))) (|v_#memory_int_194| (Array Int (Array Int Int))) (|v_#memory_int_293| (Array Int (Array Int Int))) (|v_#memory_int_195| (Array Int (Array Int Int))) (|v_#memory_int_196| (Array Int (Array Int Int))) (|v_#memory_int_186| (Array Int (Array Int Int))) (|v_#memory_int_197| (Array Int (Array Int Int)))) (let ((.cse41 (select |v_#memory_int_191| 6)) (.cse46 (select |v_#memory_int_187| 6)) (.cse50 (select |v_#memory_int_196| 6)) (.cse53 (select |v_#memory_int_195| 6)) (.cse44 (select |v_#memory_int_194| 6)) (.cse45 (select |v_#memory_int_193| 6)) (.cse48 (select |v_#memory_int_188| 6)) (.cse42 (select |v_#memory_int_189| 6)) (.cse52 (select |v_#memory_int_198| 6)) (.cse49 (select |v_#memory_int_190| 6)) (.cse43 (select |v_#memory_int_200| 6)) (.cse51 (select |v_#memory_int_199| 6)) (.cse47 (select |v_#memory_int_197| 6)) (.cse40 (select |v_#memory_int_192| 6))) (and (= (store |v_#memory_int_192| 6 (store .cse40 56 (select .cse41 56))) |v_#memory_int_191|) (= |v_#memory_int_200| (store |v_#memory_int_189| 6 (store .cse42 24 (select .cse43 24)))) (= (store |v_#memory_int_194| 6 (store .cse44 52 (select .cse45 52))) |v_#memory_int_193|) (= (store |v_#memory_int_187| 6 (store .cse46 32 (select .cse47 32))) |v_#memory_int_197|) (= (store |v_#memory_int_191| 6 (store .cse41 68 (select (select |v_#memory_int_186| 6) 68))) |v_#memory_int_186|) (= (store |v_#memory_int_188| 6 (store .cse48 20 (select .cse46 20))) |v_#memory_int_187|) (= (store |v_#memory_int_190| 6 (store .cse49 16 (select .cse50 16))) |v_#memory_int_196|) (= (store |v_#memory_int_199| 6 (store .cse51 48 (select .cse52 48))) |v_#memory_int_198|) (= (store |v_#memory_int_196| 6 (store .cse50 28 (select .cse53 28))) |v_#memory_int_195|) (= |v_#memory_int_194| (store |v_#memory_int_195| 6 (store .cse53 40 (select .cse44 40)))) (= (store |v_#memory_int_193| 6 (store .cse45 64 (select .cse48 64))) |v_#memory_int_188|) (= (store (store |v_#memory_int_293| 5 (let ((.cse54 (let ((.cse55 (let ((.cse56 (let ((.cse57 (let ((.cse58 (let ((.cse59 (let ((.cse60 (let ((.cse61 (let ((.cse62 (let ((.cse63 (let ((.cse64 (let ((.cse65 (let ((.cse66 (let ((.cse67 (store (select |v_#memory_int_293| 5) 3 (select (select |v_#memory_int_293| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 3)))) (store .cse67 6 (select (select (store |v_#memory_int_293| 5 .cse67) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 6))))) (store .cse66 9 (select (select (store |v_#memory_int_293| 5 .cse66) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 9))))) (store .cse65 12 (select (select (store |v_#memory_int_293| 5 .cse65) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 12))))) (store .cse64 15 (select (select (store |v_#memory_int_293| 5 .cse64) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 15))))) (store .cse63 4 (select (select (store |v_#memory_int_293| 5 .cse63) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 4))))) (store .cse62 7 (select (select (store |v_#memory_int_293| 5 .cse62) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 7))))) (store .cse61 10 (select (select (store |v_#memory_int_293| 5 .cse61) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 10))))) (store .cse60 13 (select (select (store |v_#memory_int_293| 5 .cse60) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 13))))) (store .cse59 16 (select (select (store |v_#memory_int_293| 5 .cse59) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 16))))) (store .cse58 5 (select (select (store |v_#memory_int_293| 5 .cse58) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 5))))) (store .cse57 8 (select (select (store |v_#memory_int_293| 5 .cse57) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 8))))) (store .cse56 11 (select (select (store |v_#memory_int_293| 5 .cse56) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 11))))) (store .cse55 14 (select (select (store |v_#memory_int_293| 5 .cse55) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 14))))) (store .cse54 17 (select (select (store |v_#memory_int_293| 5 .cse54) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 17)))) 6 (store (select |v_#memory_int_293| 6) 12 (select .cse42 12))) |v_#memory_int_189|) (= |v_#memory_int_190| (store |v_#memory_int_198| 6 (store .cse52 60 (select .cse49 60)))) (= (store |v_#memory_int_200| 6 (store .cse43 36 (select .cse51 36))) |v_#memory_int_199|) (= |c_#memory_int| (store (store (store (let ((.cse68 (store |v_#memory_int_186| 7 (let ((.cse73 (let ((.cse74 (let ((.cse75 (let ((.cse76 (store (select |v_#memory_int_186| 7) 4 (select (select |v_#memory_int_186| |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 4)))) (store .cse76 8 (select (select (store |v_#memory_int_186| 7 .cse76) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 8))))) (store .cse75 12 (select (select (store |v_#memory_int_186| 7 .cse75) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 12))))) (store .cse74 16 (select (select (store |v_#memory_int_186| 7 .cse74) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 16))))) (store .cse73 20 (select (select (store |v_#memory_int_186| 7 .cse73) |c_ULTIMATE.start_main_~#__CS_cp_i~0#1.base|) 20)))))) (store .cse68 8 (let ((.cse69 (let ((.cse70 (let ((.cse71 (let ((.cse72 (store (select |v_#memory_int_186| 8) 4 (select (select .cse68 |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 4)))) (store .cse72 8 (select (select (store .cse68 8 .cse72) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 8))))) (store .cse71 12 (select (select (store .cse68 8 .cse71) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 12))))) (store .cse70 16 (select (select (store .cse68 8 .cse70) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 16))))) (store .cse69 20 (select (select (store .cse68 8 .cse69) |c_ULTIMATE.start_main_~#__CS_cp_j~0#1.base|) 20))))) 4 (store (select |v_#memory_int_186| 4) 0 0)) 5 (store (select |v_#memory_int_186| 5) 0 1)) 3 (store (select |v_#memory_int_186| 3) 0 1))) (= (store |v_#memory_int_197| 6 (store .cse47 44 (select .cse40 44))) |v_#memory_int_192|)))) (= 3 |c_~#__CS_thread_allocated~0.base|) (= |c_~#j~2.base| 8) (or (and .cse0 .cse1 .cse2 .cse3 (<= 3 |c_ULTIMATE.start_main_~l~0#1|) .cse77) (and .cse0 .cse1 .cse2 .cse3 .cse77)) (= c_~__CS_error~0 0) (= c_~__THREAD_UNUSED~0 0) (= 1 c_~__THREAD_RUNNING~0) (= |c_~#__CS_thread_status~0.offset| 0) .cse77 (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) (exists ((|v_#memory_$Pointer$.base_229| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_228| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_227| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_240| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_226| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_225| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_224| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_223| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_222| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_243| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_221| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_242| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_220| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_241| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_219| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_218| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_217| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_239| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_238| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_237| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_236| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_235| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_234| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_233| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_232| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_231| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_230| (Array Int (Array Int Int)))) (let ((.cse84 (select |v_#memory_$Pointer$.base_220| 5)) (.cse86 (select |v_#memory_$Pointer$.base_234| 5)) (.cse83 (select |v_#memory_$Pointer$.base_217| 8)) (.cse85 (select |v_#memory_$Pointer$.base_222| 5)) (.cse94 (select |v_#memory_$Pointer$.base_218| 8)) (.cse89 (select |v_#memory_$Pointer$.base_235| 5)) (.cse92 (select |v_#memory_$Pointer$.base_221| 5)) (.cse95 (select |v_#memory_$Pointer$.base_236| 5)) (.cse99 (select |v_#memory_$Pointer$.base_227| 7)) (.cse81 (select |v_#memory_$Pointer$.base_229| 7)) (.cse80 (select |v_#memory_$Pointer$.base_242| 5)) (.cse97 (select |v_#memory_$Pointer$.base_241| 5)) (.cse90 (select |v_#memory_$Pointer$.base_238| 5)) (.cse78 (select |v_#memory_$Pointer$.base_237| 5)) (.cse82 (select |v_#memory_$Pointer$.base_226| 7)) (.cse98 (select |v_#memory_$Pointer$.base_228| 7)) (.cse87 (select |v_#memory_$Pointer$.base_240| 5)) (.cse79 (select |v_#memory_$Pointer$.base_239| 5)) (.cse91 (select |v_#memory_$Pointer$.base_243| 8)) (.cse93 (select |v_#memory_$Pointer$.base_219| 8)) (.cse96 (select |v_#memory_$Pointer$.base_233| 5)) (.cse88 (select |v_#memory_$Pointer$.base_232| 5))) (and (= (store |v_#memory_$Pointer$.base_237| 5 (store .cse78 17 (select (select |v_#memory_$Pointer$.base_231| 5) 17))) |v_#memory_$Pointer$.base_231|) (= (store |v_#memory_$Pointer$.base_239| 5 (store .cse79 13 (select .cse80 13))) |v_#memory_$Pointer$.base_242|) (= (store |v_#memory_$Pointer$.base_229| 7 (store .cse81 16 (select .cse82 16))) |v_#memory_$Pointer$.base_226|) (= |v_#memory_$Pointer$.base_217| (store |v_#memory_$Pointer$.base_230| 8 (store (select |v_#memory_$Pointer$.base_230| 8) 4 (select .cse83 4)))) (= (store |v_#memory_$Pointer$.base_220| 5 (store .cse84 6 (select .cse85 6))) |v_#memory_$Pointer$.base_222|) (= (store |v_#memory_$Pointer$.base_234| 5 (store .cse86 7 (select .cse87 7))) |v_#memory_$Pointer$.base_240|) (= (store |v_#memory_$Pointer$.base_401| 5 (store (select |v_#memory_$Pointer$.base_401| 5) 3 (select .cse84 3))) |v_#memory_$Pointer$.base_220|) (= (store |v_#memory_$Pointer$.base_232| 5 (store .cse88 4 (select .cse86 4))) |v_#memory_$Pointer$.base_234|) (= (store |v_#memory_$Pointer$.base_235| 5 (store .cse89 11 (select .cse90 11))) |v_#memory_$Pointer$.base_238|) (= (store |v_#memory_$Pointer$.base_223| 5 (store (select |v_#memory_$Pointer$.base_223| 5) 0 (select (select |v_#memory_$Pointer$.base_225| 5) 0))) |v_#memory_$Pointer$.base_225|) (= (store |v_#memory_$Pointer$.base_217| 8 (store .cse83 8 (select .cse91 8))) |v_#memory_$Pointer$.base_243|) (= (store |v_#memory_$Pointer$.base_222| 5 (store .cse85 9 (select .cse92 9))) |v_#memory_$Pointer$.base_221|) (= (store |v_#memory_$Pointer$.base_219| 8 (store .cse93 16 (select .cse94 16))) |v_#memory_$Pointer$.base_218|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_225| 3 (store (select |v_#memory_$Pointer$.base_225| 3) 0 (select (select |c_#memory_$Pointer$.base| 3) 0)))) (= (store |v_#memory_$Pointer$.base_218| 8 (store .cse94 20 (select (select |v_#memory_$Pointer$.base_224| 8) 20))) |v_#memory_$Pointer$.base_224|) (= (store |v_#memory_$Pointer$.base_236| 5 (store .cse95 8 (select .cse89 8))) |v_#memory_$Pointer$.base_235|) (= (store |v_#memory_$Pointer$.base_224| 4 (store (select |v_#memory_$Pointer$.base_224| 4) 0 (select (select |v_#memory_$Pointer$.base_223| 4) 0))) |v_#memory_$Pointer$.base_223|) (= |v_#memory_$Pointer$.base_233| (store |v_#memory_$Pointer$.base_221| 5 (store .cse92 12 (select .cse96 12)))) (= |v_#memory_$Pointer$.base_236| (store |v_#memory_$Pointer$.base_241| 5 (store .cse97 5 (select .cse95 5)))) (= (store |v_#memory_$Pointer$.base_228| 7 (store .cse98 8 (select .cse99 8))) |v_#memory_$Pointer$.base_227|) (= (store |v_#memory_$Pointer$.base_227| 7 (store .cse99 12 (select .cse81 12))) |v_#memory_$Pointer$.base_229|) (= (store |v_#memory_$Pointer$.base_242| 5 (store .cse80 16 (select .cse97 16))) |v_#memory_$Pointer$.base_241|) (= (store |v_#memory_$Pointer$.base_238| 5 (store .cse90 14 (select .cse78 14))) |v_#memory_$Pointer$.base_237|) (= |v_#memory_$Pointer$.base_230| (store |v_#memory_$Pointer$.base_226| 7 (store .cse82 20 (select (select |v_#memory_$Pointer$.base_230| 7) 20)))) (= (store (store |v_#memory_$Pointer$.base_231| 6 (let ((.cse100 (let ((.cse101 (let ((.cse102 (let ((.cse103 (let ((.cse104 (let ((.cse105 (let ((.cse106 (let ((.cse107 (let ((.cse108 (let ((.cse109 (let ((.cse110 (let ((.cse111 (let ((.cse112 (let ((.cse113 (store (select |v_#memory_$Pointer$.base_231| 6) 12 (select (select |v_#memory_$Pointer$.base_231| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 12)))) (store .cse113 24 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse113) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 24))))) (store .cse112 36 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse112) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 36))))) (store .cse111 48 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse111) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 48))))) (store .cse110 60 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse110) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 60))))) (store .cse109 16 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse109) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 16))))) (store .cse108 28 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse108) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 28))))) (store .cse107 40 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse107) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 40))))) (store .cse106 52 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse106) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 52))))) (store .cse105 64 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse105) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 64))))) (store .cse104 20 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse104) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 20))))) (store .cse103 32 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse103) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 32))))) (store .cse102 44 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse102) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 44))))) (store .cse101 56 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse101) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 56))))) (store .cse100 68 (select (select (store |v_#memory_$Pointer$.base_231| 6 .cse100) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) 68)))) 7 (store (select |v_#memory_$Pointer$.base_231| 7) 4 (select .cse98 4))) |v_#memory_$Pointer$.base_228|) (= (store |v_#memory_$Pointer$.base_240| 5 (store .cse87 10 (select .cse79 10))) |v_#memory_$Pointer$.base_239|) (= (store |v_#memory_$Pointer$.base_243| 8 (store .cse91 12 (select .cse93 12))) |v_#memory_$Pointer$.base_219|) (= |v_#memory_$Pointer$.base_232| (store |v_#memory_$Pointer$.base_233| 5 (store .cse96 15 (select .cse88 15))))))) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (= |c_~#i~0.offset| 0) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0) (<= 0 |c_ULTIMATE.start_main_~k~3#1|) (= |c_~#__CS_thread_allocated~0.offset| 0) (= |c_~#__CS_u~0.offset| 0) (= c_~__CS_ret_PREEMPTED~0 1) (= |c_~#__CS_thread_lockedon~0.offset| 0) (= |c_~#j~2.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0))) is different from false [2023-11-24 23:59:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:44,332 INFO L93 Difference]: Finished difference Result 290 states and 432 transitions. [2023-11-24 23:59:44,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:59:44,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 173 [2023-11-24 23:59:44,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:44,336 INFO L225 Difference]: With dead ends: 290 [2023-11-24 23:59:44,337 INFO L226 Difference]: Without dead ends: 149 [2023-11-24 23:59:44,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 513 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=24, Invalid=38, Unknown=2, NotChecked=26, Total=90 [2023-11-24 23:59:44,339 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 0 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:44,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 598 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 2 Unknown, 90 Unchecked, 4.8s Time] [2023-11-24 23:59:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-24 23:59:44,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2023-11-24 23:59:44,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 85 states have internal predecessors, (103), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-24 23:59:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 221 transitions. [2023-11-24 23:59:44,365 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 221 transitions. Word has length 173 [2023-11-24 23:59:44,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:44,365 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 221 transitions. [2023-11-24 23:59:44,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-24 23:59:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2023-11-24 23:59:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-24 23:59:44,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:44,370 INFO L195 NwaCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:44,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:44,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:44,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:44,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 396681828, now seen corresponding path program 1 times [2023-11-24 23:59:44,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:44,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766503711] [2023-11-24 23:59:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-11-24 23:59:45,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766503711] [2023-11-24 23:59:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766503711] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:59:45,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551924239] [2023-11-24 23:59:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:45,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:59:45,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7358307-035a-48e2-88a0-6ff9b947cfb1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:59:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:47,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:59:47,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-11-24 23:59:47,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:59:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2023-11-24 23:59:47,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551924239] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:59:47,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [246464687] [2023-11-24 23:59:47,349 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2023-11-24 23:59:47,351 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:59:47,352 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:59:47,353 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:59:47,353 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs