./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:08:04,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:08:04,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 20:08:04,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:08:04,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:08:04,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:08:04,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:08:04,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:08:04,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:08:04,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:08:04,590 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:08:04,591 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:08:04,591 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:08:04,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:08:04,592 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:08:04,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:08:04,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:08:04,594 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:08:04,594 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:08:04,595 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:08:04,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:08:04,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:08:04,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:08:04,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:08:04,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:08:04,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:08:04,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:08:04,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:08:04,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:08:04,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:08:04,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:08:04,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:08:04,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:08:04,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:08:04,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:08:04,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:08:04,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:08:04,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:08:04,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:08:04,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:08:04,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:08:04,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:08:04,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:08:04,609 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:08:04,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:08:04,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:08:04,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:08:04,610 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:08:04,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:08:04,610 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_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 20:08:04,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:08:04,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:08:04,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:08:04,901 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:08:04,902 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:08:04,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-12-02 20:08:07,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:08:07,990 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:08:07,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-12-02 20:08:08,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/data/0f56060bc/ab2858db0c6045b1803616c07184d21b/FLAG3b95fed49 [2023-12-02 20:08:08,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/data/0f56060bc/ab2858db0c6045b1803616c07184d21b [2023-12-02 20:08:08,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:08:08,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:08:08,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:08:08,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:08:08,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:08:08,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aaa2a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08, skipping insertion in model container [2023-12-02 20:08:08,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:08:08,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:08:08,651 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:08:08,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:08:08,782 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:08:08,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08 WrapperNode [2023-12-02 20:08:08,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:08:08,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:08:08,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:08:08,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:08:08,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,908 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-12-02 20:08:08,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:08:08,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:08:08,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:08:08,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:08:08,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:08,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:09,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:09,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:09,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:09,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:08:09,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:08:09,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:08:09,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:08:09,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (1/1) ... [2023-12-02 20:08:09,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:08:09,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:08:09,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:08:09,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:08:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:08:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:08:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 20:08:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 20:08:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:08:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:08:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:08:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:08:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:08:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:08:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:08:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:08:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:08:09,347 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:08:09,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:08:11,058 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:08:12,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:08:12,435 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 20:08:12,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:08:12 BoogieIcfgContainer [2023-12-02 20:08:12,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:08:12,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:08:12,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:08:12,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:08:12,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:08:08" (1/3) ... [2023-12-02 20:08:12,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6262c3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:08:12, skipping insertion in model container [2023-12-02 20:08:12,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:08" (2/3) ... [2023-12-02 20:08:12,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6262c3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:08:12, skipping insertion in model container [2023-12-02 20:08:12,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:08:12" (3/3) ... [2023-12-02 20:08:12,445 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test4-3.i [2023-12-02 20:08:12,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:08:12,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-02 20:08:12,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:08:12,514 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;@7aeccc07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:08:12,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:08:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 138 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:08:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:08:12,524 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:12,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 20:08:12,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:08:12,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash 53078758, now seen corresponding path program 1 times [2023-12-02 20:08:12,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:12,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020879132] [2023-12-02 20:08:12,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:12,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:12,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:12,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020879132] [2023-12-02 20:08:12,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020879132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:12,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:12,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:08:12,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475328557] [2023-12-02 20:08:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:12,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:08:12,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:12,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:08:12,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:08:12,731 INFO L87 Difference]: Start difference. First operand has 146 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 138 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:14,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:16,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:18,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:20,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:22,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:22,569 INFO L93 Difference]: Finished difference Result 289 states and 487 transitions. [2023-12-02 20:08:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:08:22,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 20:08:22,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:22,583 INFO L225 Difference]: With dead ends: 289 [2023-12-02 20:08:22,583 INFO L226 Difference]: Without dead ends: 114 [2023-12-02 20:08:22,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:08:22,590 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:22,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 9.8s Time] [2023-12-02 20:08:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-02 20:08:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-12-02 20:08:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 106 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:08:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-12-02 20:08:22,635 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 4 [2023-12-02 20:08:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:22,636 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-12-02 20:08:22,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-12-02 20:08:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 20:08:22,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:22,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 20:08:22,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:08:22,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:08:22,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:22,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1645441562, now seen corresponding path program 1 times [2023-12-02 20:08:22,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:22,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630033252] [2023-12-02 20:08:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:22,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:22,666 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:08:22,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344715804] [2023-12-02 20:08:22,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:08:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:08:22,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:08:22,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 20:08:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:22,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:08:22,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:08:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:22,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:08:22,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630033252] [2023-12-02 20:08:22,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:08:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344715804] [2023-12-02 20:08:22,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344715804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:22,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:22,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:08:22,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415294909] [2023-12-02 20:08:22,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:22,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:08:22,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:22,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:08:22,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:08:22,949 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:24,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:26,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:29,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:31,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:33,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:35,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:37,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:39,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:41,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:43,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:45,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:47,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:48,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:50,895 INFO L93 Difference]: Finished difference Result 223 states and 255 transitions. [2023-12-02 20:08:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:08:50,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 20:08:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:50,903 INFO L225 Difference]: With dead ends: 223 [2023-12-02 20:08:50,904 INFO L226 Difference]: Without dead ends: 222 [2023-12-02 20:08:50,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:08:50,906 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 109 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:50,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 213 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 27.9s Time] [2023-12-02 20:08:50,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-02 20:08:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 117. [2023-12-02 20:08:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.1308411214953271) internal successors, (121), 109 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:08:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-12-02 20:08:50,925 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 5 [2023-12-02 20:08:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:50,925 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-12-02 20:08:50,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-12-02 20:08:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 20:08:50,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:50,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:08:50,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:08:51,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:08:51,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:08:51,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1342660522, now seen corresponding path program 1 times [2023-12-02 20:08:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359109294] [2023-12-02 20:08:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:51,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:08:51,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045470952] [2023-12-02 20:08:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:08:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:08:51,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:08:51,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:08:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:51,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:08:51,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:08:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:51,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:08:51,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:51,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359109294] [2023-12-02 20:08:51,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:08:51,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045470952] [2023-12-02 20:08:51,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045470952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:51,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:51,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:08:51,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128280832] [2023-12-02 20:08:51,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:51,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:08:51,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:51,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:08:51,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:08:51,914 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:53,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:55,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:57,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:59,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:02,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:04,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:06,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:09,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:09:10,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:09:10,817 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2023-12-02 20:09:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:09:10,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-02 20:09:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:09:10,825 INFO L225 Difference]: With dead ends: 117 [2023-12-02 20:09:10,825 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 20:09:10,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:09:10,826 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 60 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2023-12-02 20:09:10,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 206 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 18.9s Time] [2023-12-02 20:09:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 20:09:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 20:09:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 107 states have (on average 1.1214953271028036) internal successors, (120), 108 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 20:09:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2023-12-02 20:09:10,838 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 57 [2023-12-02 20:09:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:09:10,839 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2023-12-02 20:09:10,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:09:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2023-12-02 20:09:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 20:09:10,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:10,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:10,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 20:09:11,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:11,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:09:11,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:11,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1327195308, now seen corresponding path program 1 times [2023-12-02 20:09:11,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:09:11,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607339380] [2023-12-02 20:09:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:11,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:09:11,141 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:09:11,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69943840] [2023-12-02 20:09:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:11,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:11,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:09:11,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:09:11,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:09:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:09:11,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:09:11,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:09:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:09:11,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:09:11,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:09:11,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607339380] [2023-12-02 20:09:11,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:09:11,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69943840] [2023-12-02 20:09:11,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69943840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:09:11,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:09:11,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:09:11,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115134626] [2023-12-02 20:09:11,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:09:11,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:09:11,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:09:11,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:09:11,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:09:11,735 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:09:13,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:15,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:17,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:19,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:21,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:23,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:25,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:27,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:30,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:32,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:34,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:36,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:38,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:40,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:42,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:44,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:46,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:48,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:50,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:52,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:09:57,385 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2023-12-02 20:09:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:09:57,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-12-02 20:09:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:09:57,395 INFO L225 Difference]: With dead ends: 220 [2023-12-02 20:09:57,395 INFO L226 Difference]: Without dead ends: 219 [2023-12-02 20:09:57,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:09:57,396 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 56 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2023-12-02 20:09:57,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 341 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 20 Unknown, 0 Unchecked, 45.6s Time] [2023-12-02 20:09:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-02 20:09:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-02 20:09:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 204 states have (on average 1.1127450980392157) internal successors, (227), 205 states have internal predecessors, (227), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 20:09:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2023-12-02 20:09:57,416 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 58 [2023-12-02 20:09:57,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:09:57,416 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2023-12-02 20:09:57,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:09:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2023-12-02 20:09:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 20:09:57,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:09:57,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:09:57,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:09:57,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:57,620 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:09:57,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:09:57,621 INFO L85 PathProgramCache]: Analyzing trace with hash 995586977, now seen corresponding path program 1 times [2023-12-02 20:09:57,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:09:57,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958930808] [2023-12-02 20:09:57,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:09:57,711 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:09:57,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075130197] [2023-12-02 20:09:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:09:57,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:09:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:09:57,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:09:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:09:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:09:58,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:09:58,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:09:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:09:58,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:09:58,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:09:58,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958930808] [2023-12-02 20:09:58,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:09:58,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075130197] [2023-12-02 20:09:58,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075130197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:09:58,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:09:58,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:09:58,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138108444] [2023-12-02 20:09:58,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:09:58,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:09:58,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:09:58,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:09:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:09:58,356 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:10:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:02,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:04,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:06,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:08,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:10,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:12,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:14,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:16,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:18,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:20,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:22,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:24,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:28,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:28,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:10:28,516 INFO L93 Difference]: Finished difference Result 358 states and 410 transitions. [2023-12-02 20:10:28,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:10:28,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-12-02 20:10:28,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:10:28,524 INFO L225 Difference]: With dead ends: 358 [2023-12-02 20:10:28,524 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 20:10:28,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:10:28,526 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 38 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:10:28,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 14 Unknown, 0 Unchecked, 30.1s Time] [2023-12-02 20:10:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 20:10:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 20:10:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 202 states have (on average 1.108910891089109) internal successors, (224), 203 states have internal predecessors, (224), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 20:10:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 248 transitions. [2023-12-02 20:10:28,541 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 248 transitions. Word has length 61 [2023-12-02 20:10:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:28,541 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 248 transitions. [2023-12-02 20:10:28,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:10:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 248 transitions. [2023-12-02 20:10:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 20:10:28,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:28,545 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:10:28,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 20:10:28,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:28,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:10:28,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:28,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1285596267, now seen corresponding path program 1 times [2023-12-02 20:10:28,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:10:28,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106493269] [2023-12-02 20:10:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:28,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:10:28,835 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:10:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1468729488] [2023-12-02 20:10:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:10:28,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:10:28,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:10:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:29,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:10:29,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:10:29,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:10:29,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:10:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106493269] [2023-12-02 20:10:29,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:10:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468729488] [2023-12-02 20:10:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468729488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:10:29,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:10:29,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:10:29,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551499679] [2023-12-02 20:10:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:10:29,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:10:29,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:10:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:10:29,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:10:29,371 INFO L87 Difference]: Start difference. First operand 217 states and 248 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 20:10:31,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:33,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:35,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:37,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:39,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:41,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:43,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:45,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:47,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:49,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:51,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:53,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:56,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:56,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:10:56,211 INFO L93 Difference]: Finished difference Result 404 states and 462 transitions. [2023-12-02 20:10:56,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:10:56,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2023-12-02 20:10:56,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:10:56,219 INFO L225 Difference]: With dead ends: 404 [2023-12-02 20:10:56,219 INFO L226 Difference]: Without dead ends: 215 [2023-12-02 20:10:56,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:10:56,221 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-12-02 20:10:56,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 197 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 12 Unknown, 0 Unchecked, 26.8s Time] [2023-12-02 20:10:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-12-02 20:10:56,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2023-12-02 20:10:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 200 states have (on average 1.105) internal successors, (221), 201 states have internal predecessors, (221), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 20:10:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 245 transitions. [2023-12-02 20:10:56,235 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 245 transitions. Word has length 74 [2023-12-02 20:10:56,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:56,236 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 245 transitions. [2023-12-02 20:10:56,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 20:10:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 245 transitions. [2023-12-02 20:10:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 20:10:56,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:56,238 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:10:56,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 20:10:56,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:56,439 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:10:56,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash -166638503, now seen corresponding path program 1 times [2023-12-02 20:10:56,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:10:56,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839551030] [2023-12-02 20:10:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:10:56,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:10:56,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162026093] [2023-12-02 20:10:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:56,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:56,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:10:56,537 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:10:56,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:12:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:12:54,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:12:54,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:12:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:12:54,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:12:54,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:12:54,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839551030] [2023-12-02 20:12:54,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:12:54,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162026093] [2023-12-02 20:12:54,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162026093] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:12:54,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:12:54,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:12:54,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105674425] [2023-12-02 20:12:54,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:12:54,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:12:54,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:12:54,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:12:54,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:12:54,990 INFO L87 Difference]: Start difference. First operand 215 states and 245 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 20:12:57,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:12:59,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:01,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:03,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:05,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:07,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:09,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:11,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:13,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:15,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:17,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:19,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:20,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:13:23,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:25,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:27,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:29,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:31,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:33,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:35,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:37,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:39,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:41,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:43,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:45,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:47,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:49,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:51,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:53,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:13:56,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:13:56,572 INFO L93 Difference]: Finished difference Result 410 states and 480 transitions. [2023-12-02 20:13:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:13:56,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2023-12-02 20:13:56,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:13:56,575 INFO L225 Difference]: With dead ends: 410 [2023-12-02 20:13:56,575 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 20:13:56,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:13:56,576 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 104 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.5s IncrementalHoareTripleChecker+Time [2023-12-02 20:13:56,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 390 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 28 Unknown, 0 Unchecked, 61.5s Time] [2023-12-02 20:13:56,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 20:13:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 20:13:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 201 states have (on average 1.109452736318408) internal successors, (223), 203 states have internal predecessors, (223), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2023-12-02 20:13:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 251 transitions. [2023-12-02 20:13:56,616 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 251 transitions. Word has length 87 [2023-12-02 20:13:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:13:56,616 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 251 transitions. [2023-12-02 20:13:56,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 20:13:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 251 transitions. [2023-12-02 20:13:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 20:13:56,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:13:56,618 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:13:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:13:56,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 20:13:56,819 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:13:56,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:13:56,819 INFO L85 PathProgramCache]: Analyzing trace with hash 537304029, now seen corresponding path program 1 times [2023-12-02 20:13:56,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:13:56,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478209793] [2023-12-02 20:13:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:13:56,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:13:56,914 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:13:56,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872263465] [2023-12-02 20:13:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:13:56,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:13:56,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:13:56,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:13:56,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:16:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:00,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:16:00,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:16:00,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 20:16:00,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:16:00,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478209793] [2023-12-02 20:16:00,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:16:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872263465] [2023-12-02 20:16:00,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872263465] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1496194514] [2023-12-02 20:16:00,790 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2023-12-02 20:16:00,790 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 20:16:00,794 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 20:16:00,799 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 20:16:00,799 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 20:16:55,257 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 42 for LOIs [2023-12-02 20:16:55,279 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 20:18:30,424 WARN L293 SmtUtils]: Spent 22.68s on a formula simplification that was a NOOP. DAG size: 245 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:18:32,439 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse15 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse2 (store |v_#memory_$Pointer$.offset_124| .cse15 (store (select |v_#memory_$Pointer$.offset_124| .cse15) .cse16 0))) (.cse20 (store |v_#memory_$Pointer$.base_124| .cse15 (store (select |v_#memory_$Pointer$.base_124| .cse15) .cse16 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse19 (store |v_#memory_$Pointer$.offset_761| .cse7 (store (select |v_#memory_$Pointer$.offset_761| .cse7) .cse8 8))) (.cse9 (store |v_#memory_$Pointer$.base_761| .cse7 (store (select |v_#memory_$Pointer$.base_761| .cse7) .cse8 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse5 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse10 (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 4 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse3 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse0 (store (select |v_#memory_$Pointer$.offset_125| .cse0) .cse1 (select (select |v_#memory_$Pointer$.offset_124| .cse0) .cse1))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse3) .cse4)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse5 (store (select |v_#memory_$Pointer$.base_125| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_126| .cse5) .cse6))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse0 (store (select |v_#memory_$Pointer$.base_126| .cse0) .cse1 (select (select |v_#memory_$Pointer$.base_124| .cse0) .cse1)))) (= (store |v_#memory_int_877| .cse7 (store (select |v_#memory_int_877| .cse7) .cse8 (select (select |v_#memory_int_128| .cse7) .cse8))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_125| .cse10) .cse11)))) (= (store |v_#memory_$Pointer$.offset_126| .cse5 (store (select |v_#memory_$Pointer$.offset_126| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_125| .cse5) .cse6))) |v_#memory_$Pointer$.offset_125|) (let ((.cse12 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse12) .cse13) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse12) .cse13) 0)))) (= (let ((.cse14 (let ((.cse17 (let ((.cse18 (store |v_#memory_int_128| .cse10 (store (select |v_#memory_int_128| .cse10) .cse11 32)))) (store .cse18 .cse5 (store (select .cse18 .cse5) .cse6 5))))) (store .cse17 .cse0 (store (select .cse17 .cse0) .cse1 8))))) (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 (select (select |v_#memory_int_129| .cse15) .cse16)))) |v_#memory_int_129|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_126| .cse10) .cse11))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse20 .cse3 (store (select .cse20 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse3) .cse4))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse36 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_761| .cse25 (store (select |v_#memory_$Pointer$.offset_761| .cse25) .cse26 8))) (.cse27 (store |v_#memory_$Pointer$.base_761| .cse25 (store (select |v_#memory_$Pointer$.base_761| .cse25) .cse26 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse30 (store |v_#memory_$Pointer$.offset_124| .cse36 (store (select |v_#memory_$Pointer$.offset_124| .cse36) .cse37 0))) (.cse40 (store |v_#memory_$Pointer$.base_124| .cse36 (store (select |v_#memory_$Pointer$.base_124| .cse36) .cse37 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse21 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse23 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse31 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse28 (select (select .cse27 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ 4 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse21 (store (select |v_#memory_$Pointer$.offset_125| .cse21) .cse22 (select (select |v_#memory_$Pointer$.offset_124| .cse21) .cse22))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse23 (store (select |v_#memory_$Pointer$.base_125| .cse23) .cse24 (select (select |v_#memory_$Pointer$.base_126| .cse23) .cse24))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse21 (store (select |v_#memory_$Pointer$.base_126| .cse21) .cse22 (select (select |v_#memory_$Pointer$.base_124| .cse21) .cse22)))) (= (store |v_#memory_int_877| .cse25 (store (select |v_#memory_int_877| .cse25) .cse26 (select (select |v_#memory_int_128| .cse25) .cse26))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_125| .cse28) .cse29)))) (= (store |v_#memory_$Pointer$.offset_126| .cse23 (store (select |v_#memory_$Pointer$.offset_126| .cse23) .cse24 (select (select |v_#memory_$Pointer$.offset_125| .cse23) .cse24))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse31) .cse32)))) (let ((.cse33 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse33) .cse34) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse33) .cse34) 0)))) (= (let ((.cse35 (let ((.cse38 (let ((.cse39 (store |v_#memory_int_128| .cse28 (store (select |v_#memory_int_128| .cse28) .cse29 32)))) (store .cse39 .cse23 (store (select .cse39 .cse23) .cse24 5))))) (store .cse38 .cse21 (store (select .cse38 .cse21) .cse22 8))))) (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 (select (select |v_#memory_int_129| .cse36) .cse37)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse40 .cse31 (store (select .cse40 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse31) .cse32)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse41 .cse28 (store (select .cse41 .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_126| .cse28) .cse29))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 20:18:34,480 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse15 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse2 (store |v_#memory_$Pointer$.offset_124| .cse15 (store (select |v_#memory_$Pointer$.offset_124| .cse15) .cse16 0))) (.cse20 (store |v_#memory_$Pointer$.base_124| .cse15 (store (select |v_#memory_$Pointer$.base_124| .cse15) .cse16 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse19 (store |v_#memory_$Pointer$.offset_761| .cse7 (store (select |v_#memory_$Pointer$.offset_761| .cse7) .cse8 8))) (.cse9 (store |v_#memory_$Pointer$.base_761| .cse7 (store (select |v_#memory_$Pointer$.base_761| .cse7) .cse8 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse5 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse10 (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 4 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse3 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse0 (store (select |v_#memory_$Pointer$.offset_125| .cse0) .cse1 (select (select |v_#memory_$Pointer$.offset_124| .cse0) .cse1))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse3) .cse4)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse5 (store (select |v_#memory_$Pointer$.base_125| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_126| .cse5) .cse6))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse0 (store (select |v_#memory_$Pointer$.base_126| .cse0) .cse1 (select (select |v_#memory_$Pointer$.base_124| .cse0) .cse1)))) (= (store |v_#memory_int_877| .cse7 (store (select |v_#memory_int_877| .cse7) .cse8 (select (select |v_#memory_int_128| .cse7) .cse8))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_125| .cse10) .cse11)))) (= (store |v_#memory_$Pointer$.offset_126| .cse5 (store (select |v_#memory_$Pointer$.offset_126| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_125| .cse5) .cse6))) |v_#memory_$Pointer$.offset_125|) (let ((.cse12 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse12) .cse13) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse12) .cse13) 0)))) (= (let ((.cse14 (let ((.cse17 (let ((.cse18 (store |v_#memory_int_128| .cse10 (store (select |v_#memory_int_128| .cse10) .cse11 32)))) (store .cse18 .cse5 (store (select .cse18 .cse5) .cse6 5))))) (store .cse17 .cse0 (store (select .cse17 .cse0) .cse1 8))))) (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 (select (select |v_#memory_int_129| .cse15) .cse16)))) |v_#memory_int_129|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_126| .cse10) .cse11))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse20 .cse3 (store (select .cse20 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse3) .cse4))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse36 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_761| .cse25 (store (select |v_#memory_$Pointer$.offset_761| .cse25) .cse26 8))) (.cse27 (store |v_#memory_$Pointer$.base_761| .cse25 (store (select |v_#memory_$Pointer$.base_761| .cse25) .cse26 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse30 (store |v_#memory_$Pointer$.offset_124| .cse36 (store (select |v_#memory_$Pointer$.offset_124| .cse36) .cse37 0))) (.cse40 (store |v_#memory_$Pointer$.base_124| .cse36 (store (select |v_#memory_$Pointer$.base_124| .cse36) .cse37 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse21 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse23 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse31 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse28 (select (select .cse27 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ 4 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse21 (store (select |v_#memory_$Pointer$.offset_125| .cse21) .cse22 (select (select |v_#memory_$Pointer$.offset_124| .cse21) .cse22))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse23 (store (select |v_#memory_$Pointer$.base_125| .cse23) .cse24 (select (select |v_#memory_$Pointer$.base_126| .cse23) .cse24))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse21 (store (select |v_#memory_$Pointer$.base_126| .cse21) .cse22 (select (select |v_#memory_$Pointer$.base_124| .cse21) .cse22)))) (= (store |v_#memory_int_877| .cse25 (store (select |v_#memory_int_877| .cse25) .cse26 (select (select |v_#memory_int_128| .cse25) .cse26))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_125| .cse28) .cse29)))) (= (store |v_#memory_$Pointer$.offset_126| .cse23 (store (select |v_#memory_$Pointer$.offset_126| .cse23) .cse24 (select (select |v_#memory_$Pointer$.offset_125| .cse23) .cse24))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse31) .cse32)))) (let ((.cse33 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse33) .cse34) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse33) .cse34) 0)))) (= (let ((.cse35 (let ((.cse38 (let ((.cse39 (store |v_#memory_int_128| .cse28 (store (select |v_#memory_int_128| .cse28) .cse29 32)))) (store .cse39 .cse23 (store (select .cse39 .cse23) .cse24 5))))) (store .cse38 .cse21 (store (select .cse38 .cse21) .cse22 8))))) (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 (select (select |v_#memory_int_129| .cse36) .cse37)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse40 .cse31 (store (select .cse40 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse31) .cse32)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse41 .cse28 (store (select .cse41 .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_126| .cse28) .cse29))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 20:18:36,494 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_int_878| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_762| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_762| (Array Int (Array Int Int)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse2 (+ (select (select |v_#memory_$Pointer$.offset_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12))) (and (= |c_#memory_int| (store |v_#memory_int_878| .cse0 (let ((.cse1 (select |v_#memory_int_878| .cse0))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))))) (= (store |v_#memory_$Pointer$.base_762| .cse0 (store (select |v_#memory_$Pointer$.base_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.base| .cse0) .cse2))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_762| .cse0 (store (select |v_#memory_$Pointer$.offset_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse2))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse10 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse18 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse5 (store |v_#memory_$Pointer$.offset_124| .cse18 (store (select |v_#memory_$Pointer$.offset_124| .cse18) .cse19 0))) (.cse23 (store |v_#memory_$Pointer$.base_124| .cse18 (store (select |v_#memory_$Pointer$.base_124| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse22 (store |v_#memory_$Pointer$.offset_761| .cse10 (store (select |v_#memory_$Pointer$.offset_761| .cse10) .cse11 8))) (.cse12 (store |v_#memory_$Pointer$.base_761| .cse10 (store (select |v_#memory_$Pointer$.base_761| .cse10) .cse11 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse3 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse8 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse13 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ 4 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse6 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse3 (store (select |v_#memory_$Pointer$.offset_125| .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_124| .cse3) .cse4))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse6) .cse7)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse8 (store (select |v_#memory_$Pointer$.base_125| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_126| .cse8) .cse9))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse3 (store (select |v_#memory_$Pointer$.base_126| .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_124| .cse3) .cse4)))) (= (store |v_#memory_int_877| .cse10 (store (select |v_#memory_int_877| .cse10) .cse11 (select (select |v_#memory_int_128| .cse10) .cse11))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_125| .cse13) .cse14)))) (= (store |v_#memory_$Pointer$.offset_126| .cse8 (store (select |v_#memory_$Pointer$.offset_126| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_125| .cse8) .cse9))) |v_#memory_$Pointer$.offset_125|) (let ((.cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse15) .cse16) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse15) .cse16) 0)))) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_128| .cse13 (store (select |v_#memory_int_128| .cse13) .cse14 32)))) (store .cse21 .cse8 (store (select .cse21 .cse8) .cse9 5))))) (store .cse20 .cse3 (store (select .cse20 .cse3) .cse4 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_129| .cse18) .cse19)))) |v_#memory_int_129|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse22 .cse13 (store (select .cse22 .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_126| .cse13) .cse14))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse23 .cse6 (store (select .cse23 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse6) .cse7))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_761| .cse28 (store (select |v_#memory_$Pointer$.offset_761| .cse28) .cse29 8))) (.cse30 (store |v_#memory_$Pointer$.base_761| .cse28 (store (select |v_#memory_$Pointer$.base_761| .cse28) .cse29 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse33 (store |v_#memory_$Pointer$.offset_124| .cse39 (store (select |v_#memory_$Pointer$.offset_124| .cse39) .cse40 0))) (.cse43 (store |v_#memory_$Pointer$.base_124| .cse39 (store (select |v_#memory_$Pointer$.base_124| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse24 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse26 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse34 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse31 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse24 (store (select |v_#memory_$Pointer$.offset_125| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_124| .cse24) .cse25))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse26 (store (select |v_#memory_$Pointer$.base_125| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_126| .cse26) .cse27))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse24 (store (select |v_#memory_$Pointer$.base_126| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_124| .cse24) .cse25)))) (= (store |v_#memory_int_877| .cse28 (store (select |v_#memory_int_877| .cse28) .cse29 (select (select |v_#memory_int_128| .cse28) .cse29))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_125| .cse31) .cse32)))) (= (store |v_#memory_$Pointer$.offset_126| .cse26 (store (select |v_#memory_$Pointer$.offset_126| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_125| .cse26) .cse27))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse34) .cse35)))) (let ((.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse36) .cse37) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse36) .cse37) 0)))) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_128| .cse31 (store (select |v_#memory_int_128| .cse31) .cse32 32)))) (store .cse42 .cse26 (store (select .cse42 .cse26) .cse27 5))))) (store .cse41 .cse24 (store (select .cse41 .cse24) .cse25 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_129| .cse39) .cse40)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse43 .cse34 (store (select .cse43 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse34) .cse35)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse44 .cse31 (store (select .cse44 .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_126| .cse31) .cse32))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 20:18:38,516 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_int_878| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_762| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_762| (Array Int (Array Int Int)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse2 (+ (select (select |v_#memory_$Pointer$.offset_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12))) (and (= |c_#memory_int| (store |v_#memory_int_878| .cse0 (let ((.cse1 (select |v_#memory_int_878| .cse0))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))))) (= (store |v_#memory_$Pointer$.base_762| .cse0 (store (select |v_#memory_$Pointer$.base_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.base| .cse0) .cse2))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_762| .cse0 (store (select |v_#memory_$Pointer$.offset_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse2))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse10 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse18 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse5 (store |v_#memory_$Pointer$.offset_124| .cse18 (store (select |v_#memory_$Pointer$.offset_124| .cse18) .cse19 0))) (.cse23 (store |v_#memory_$Pointer$.base_124| .cse18 (store (select |v_#memory_$Pointer$.base_124| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse22 (store |v_#memory_$Pointer$.offset_761| .cse10 (store (select |v_#memory_$Pointer$.offset_761| .cse10) .cse11 8))) (.cse12 (store |v_#memory_$Pointer$.base_761| .cse10 (store (select |v_#memory_$Pointer$.base_761| .cse10) .cse11 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse3 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse8 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse13 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ 4 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse6 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse3 (store (select |v_#memory_$Pointer$.offset_125| .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_124| .cse3) .cse4))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse6) .cse7)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse8 (store (select |v_#memory_$Pointer$.base_125| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_126| .cse8) .cse9))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse3 (store (select |v_#memory_$Pointer$.base_126| .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_124| .cse3) .cse4)))) (= (store |v_#memory_int_877| .cse10 (store (select |v_#memory_int_877| .cse10) .cse11 (select (select |v_#memory_int_128| .cse10) .cse11))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_125| .cse13) .cse14)))) (= (store |v_#memory_$Pointer$.offset_126| .cse8 (store (select |v_#memory_$Pointer$.offset_126| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_125| .cse8) .cse9))) |v_#memory_$Pointer$.offset_125|) (let ((.cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse15) .cse16) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse15) .cse16) 0)))) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_128| .cse13 (store (select |v_#memory_int_128| .cse13) .cse14 32)))) (store .cse21 .cse8 (store (select .cse21 .cse8) .cse9 5))))) (store .cse20 .cse3 (store (select .cse20 .cse3) .cse4 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_129| .cse18) .cse19)))) |v_#memory_int_129|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse22 .cse13 (store (select .cse22 .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_126| .cse13) .cse14))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse23 .cse6 (store (select .cse23 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse6) .cse7))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_761| .cse28 (store (select |v_#memory_$Pointer$.offset_761| .cse28) .cse29 8))) (.cse30 (store |v_#memory_$Pointer$.base_761| .cse28 (store (select |v_#memory_$Pointer$.base_761| .cse28) .cse29 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse33 (store |v_#memory_$Pointer$.offset_124| .cse39 (store (select |v_#memory_$Pointer$.offset_124| .cse39) .cse40 0))) (.cse43 (store |v_#memory_$Pointer$.base_124| .cse39 (store (select |v_#memory_$Pointer$.base_124| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse24 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse26 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse34 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse31 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse24 (store (select |v_#memory_$Pointer$.offset_125| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_124| .cse24) .cse25))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse26 (store (select |v_#memory_$Pointer$.base_125| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_126| .cse26) .cse27))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse24 (store (select |v_#memory_$Pointer$.base_126| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_124| .cse24) .cse25)))) (= (store |v_#memory_int_877| .cse28 (store (select |v_#memory_int_877| .cse28) .cse29 (select (select |v_#memory_int_128| .cse28) .cse29))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_125| .cse31) .cse32)))) (= (store |v_#memory_$Pointer$.offset_126| .cse26 (store (select |v_#memory_$Pointer$.offset_126| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_125| .cse26) .cse27))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse34) .cse35)))) (let ((.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse36) .cse37) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse36) .cse37) 0)))) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_128| .cse31 (store (select |v_#memory_int_128| .cse31) .cse32 32)))) (store .cse42 .cse26 (store (select .cse42 .cse26) .cse27 5))))) (store .cse41 .cse24 (store (select .cse41 .cse24) .cse25 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_129| .cse39) .cse40)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse43 .cse34 (store (select .cse43 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse34) .cse35)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse44 .cse31 (store (select .cse44 .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_126| .cse31) .cse32))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse49 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse50 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse45 (= .cse50 0)) (.cse46 (= .cse49 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse45 .cse46)) (and (not .cse45) (let ((.cse47 (= .cse49 .cse50))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse47) (let ((.cse48 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse47) (<= .cse48 .cse49) (<= .cse48 .cse50))))) (not .cse46)))))) is different from false [2023-12-02 20:19:29,236 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6142#(and (<= (+ |ULTIMATE.start_main_~user~0#1.base| 1) |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 1) (mod |ULTIMATE.start_main_~bound~0#1| 4294967296)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (exists ((|v_#valid_92| (Array Int Int)) (|v_#memory_int_872| (Array Int (Array Int Int))) (|v_#length_44| (Array Int Int))) (and (= (store |v_#valid_92| |ULTIMATE.start_main_~user~0#1.base| 1) |#valid|) (= (select |v_#valid_92| |ULTIMATE.start_main_~user~0#1.base|) 0) (= |#length| (store |v_#length_44| |ULTIMATE.start_main_~user~0#1.base| 72)) (= |#memory_int| (store |v_#memory_int_872| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_int_872| |ULTIMATE.start_main_~user~0#1.base|) 0 |ULTIMATE.start_main_~i~0#1|))))) (not (= |ULTIMATE.start_main_~user~0#1.base| 0)) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_756| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_756| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_756| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~user~0#1.base|) 0))))) (exists ((|v_#memory_$Pointer$.base_756| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_756| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_756| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~user~0#1.base|) 0))) |#memory_$Pointer$.base|)))' at error location [2023-12-02 20:19:29,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 20:19:29,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:19:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2023-12-02 20:19:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761778888] [2023-12-02 20:19:29,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:19:29,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:19:29,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:19:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:19:29,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1935, Unknown=61, NotChecked=372, Total=2550 [2023-12-02 20:19:29,239 INFO L87 Difference]: Start difference. First operand 217 states and 251 transitions. Second operand has 12 states, 10 states have (on average 14.8) internal successors, (148), 12 states have internal predecessors, (148), 2 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 20:19:31,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:33,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:35,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:37,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:39,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:41,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:43,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:45,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:47,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:49,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:51,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:53,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:55,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:57,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:19:59,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:01,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:03,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:05,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:07,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:09,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:12,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:14,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:16,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:18,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:20,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:22,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:24,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:26,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:28,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:30,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:32,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:34,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:36,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:38,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:40,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:42,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:44,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:46,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:48,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:50,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:51,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:20:54,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:20:56,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:20:58,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:00,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:02,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:04,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:06,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:08,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:10,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:12,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:14,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:16,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:18,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:20,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:22,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:24,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:26,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:28,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:30,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:32,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:34,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:36,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:38,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:40,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:42,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:44,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:46,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:48,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:50,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:52,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:54,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:56,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:21:58,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:00,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:02,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:04,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:06,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:08,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:12,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:14,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:16,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:18,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:20,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:22,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:22:26,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:22:28,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:22:31,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:22:33,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:22:35,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:22:35,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:22:35,707 INFO L93 Difference]: Finished difference Result 421 states and 511 transitions. [2023-12-02 20:22:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:35,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 14.8) internal successors, (148), 12 states have internal predecessors, (148), 2 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2023-12-02 20:22:35,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:22:35,709 INFO L225 Difference]: With dead ends: 421 [2023-12-02 20:22:35,710 INFO L226 Difference]: Without dead ends: 225 [2023-12-02 20:22:35,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 217 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 154.2s TimeCoverageRelationStatistics Valid=213, Invalid=2291, Unknown=62, NotChecked=404, Total=2970 [2023-12-02 20:22:35,712 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 64 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 29 mSolverCounterUnsat, 86 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 86 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 186.3s IncrementalHoareTripleChecker+Time [2023-12-02 20:22:35,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 691 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 281 Invalid, 86 Unknown, 0 Unchecked, 186.3s Time] [2023-12-02 20:22:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-12-02 20:22:35,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2023-12-02 20:22:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 208 states have (on average 1.125) internal successors, (234), 210 states have internal predecessors, (234), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2023-12-02 20:22:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 266 transitions. [2023-12-02 20:22:35,731 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 266 transitions. Word has length 91 [2023-12-02 20:22:35,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:22:35,731 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 266 transitions. [2023-12-02 20:22:35,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 14.8) internal successors, (148), 12 states have internal predecessors, (148), 2 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 20:22:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 266 transitions. [2023-12-02 20:22:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 20:22:35,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:22:35,733 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:22:35,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:22:35,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 20:22:35,934 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:22:35,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:22:35,935 INFO L85 PathProgramCache]: Analyzing trace with hash 944544729, now seen corresponding path program 2 times [2023-12-02 20:22:35,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:22:35,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634586093] [2023-12-02 20:22:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:22:35,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:22:36,034 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:22:36,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660313005] [2023-12-02 20:22:36,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:22:36,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:36,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:22:36,035 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:22:36,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388da3f2-e4fe-483c-aaea-0ceb38f05766/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process