./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array10_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array10_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:34,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:34,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:43:34,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:34,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:34,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:34,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:34,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:34,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:34,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:34,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:34,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:34,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:34,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:34,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:34,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:34,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:34,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:34,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:34,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:34,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:34,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:34,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:34,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:34,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:34,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:34,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:34,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:34,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:34,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:34,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:34,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:34,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:34,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f [2023-11-21 18:43:35,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:35,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:35,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:35,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:35,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:35,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array10_pattern.c [2023-11-21 18:43:38,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:38,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:38,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/sv-benchmarks/c/array-patterns/array10_pattern.c [2023-11-21 18:43:38,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/data/d038100d9/75abfc57c6bd45abb73f57a3db5628ea/FLAG7c500104b [2023-11-21 18:43:38,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/data/d038100d9/75abfc57c6bd45abb73f57a3db5628ea [2023-11-21 18:43:38,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:38,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:38,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:38,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:38,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:38,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cce4b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38, skipping insertion in model container [2023-11-21 18:43:38,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:38,735 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2023-11-21 18:43:38,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:38,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:38,801 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2023-11-21 18:43:38,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:38,850 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:38,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38 WrapperNode [2023-11-21 18:43:38,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:38,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:38,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:38,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:38,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,900 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-21 18:43:38,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:38,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:38,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:38,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:38,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:38,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:38,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:38,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:38,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:38,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:38,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:38,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7ee1df-d9e9-4b62-942b-3b64303eeef5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:39,122 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:39,124 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:39,403 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:39,496 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:39,497 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:43:39,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:39 BoogieIcfgContainer [2023-11-21 18:43:39,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:39,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:39,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:39,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:39,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:39" (1/1) ... [2023-11-21 18:43:39,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-21 18:43:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-21 18:43:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:43:39,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:43:39,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:43:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:43:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:39,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:39,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 18:43:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:50,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:43:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:43:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:51,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-21 18:43:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:43:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:52,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:52,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:52,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-21 18:43:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-21 18:43:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:52,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:52,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:43:52,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:52,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 18:43:52,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-21 18:43:52,962 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:43:52,964 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2023-11-21 18:43:52,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2023-11-21 18:43:53,774 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-21 18:43:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:53,857 INFO L349 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2023-11-21 18:43:53,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 103 [2023-11-21 18:43:53,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2023-11-21 18:43:53,931 INFO L349 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2023-11-21 18:43:53,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2023-11-21 18:43:53,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:43:53,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:43:53,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-21 18:43:54,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-21 18:43:54,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-21 18:43:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-21 18:43:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-21 18:43:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:58,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:43:58,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:58,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 18:43:58,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-21 18:43:59,425 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-21 18:43:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:43:59,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 40 [2023-11-21 18:43:59,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-21 18:43:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:01,469 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse2 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse3 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse4 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0)) (.cse6 (= c_~ARR_SIZE~0 1)) (.cse7 (= |c_ULTIMATE.start_main_~index~0#1| 0))) (and .cse0 (= 0 (select .cse1 0)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0) 0) .cse2 .cse3 .cse4 .cse5 (< 0 c_~ARR_SIZE~0) .cse6 .cse7 (not (and .cse0 .cse2 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse1 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse3 (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int)) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| Int)) (and (= (select v_arrayElimArr_3 0) 0) (= (store (select (store (store |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| v_DerPreprocessor_3) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| v_arrayElimArr_3) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|) 0 0) (select |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|)) (not (= |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1|)))) .cse4 .cse5 .cse6 .cse7)))) is different from false [2023-11-21 18:44:01,977 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse2 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse3 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse4 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0)) (.cse6 (= c_~ARR_SIZE~0 1)) (.cse7 (= |c_ULTIMATE.start_main_~index~0#1| 0))) (and .cse0 (= 0 (select .cse1 0)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0) 0) .cse2 .cse3 .cse4 .cse5 (< 0 c_~ARR_SIZE~0) .cse6 .cse7 (not (and .cse0 .cse2 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse1 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse3 (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int)) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| Int)) (and (= (select v_arrayElimArr_3 0) 0) (= (store (select (store (store |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| v_DerPreprocessor_3) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| v_arrayElimArr_3) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|) 0 0) (select |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|)) (not (= |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1|)))) .cse4 .cse5 .cse6 .cse7))))) is different from true [2023-11-21 18:44:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2023-11-21 18:44:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2023-11-21 18:44:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:02,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-21 18:44:02,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:03,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 18:44:03,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-21 18:44:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:44:03,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2023-11-21 18:44:03,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-21 18:44:03,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-21 18:44:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:05,399 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse1 (= |c_ULTIMATE.start_main_~count~0#1| 1)) (.cse3 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse4 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse6 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0))) (and .cse0 .cse1 (= 0 (select .cse2 0)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0) 0) (< 0 |c_ULTIMATE.start_main_~count~0#1|) .cse3 (<= c_~ARR_SIZE~0 32767) .cse4 (<= 1 c_~ARR_SIZE~0) .cse5 .cse6 (not (and .cse0 .cse1 .cse3 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse2 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse4 .cse5 .cse6)) (< 0 c_~ARR_SIZE~0))) is different from false [2023-11-21 18:44:05,903 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse1 (= |c_ULTIMATE.start_main_~count~0#1| 1)) (.cse3 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse4 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse6 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0))) (and .cse0 .cse1 (= 0 (select .cse2 0)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0) 0) (< 0 |c_ULTIMATE.start_main_~count~0#1|) .cse3 (<= c_~ARR_SIZE~0 32767) .cse4 (<= 1 c_~ARR_SIZE~0) .cse5 .cse6 (not (and .cse0 .cse1 .cse3 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse2 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse4 .cse5 .cse6)) (< 0 c_~ARR_SIZE~0)))) is different from true [2023-11-21 18:44:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 67 transitions. [2023-11-21 18:44:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2023-11-21 18:44:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:06,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 18:44:06,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2023-11-21 18:44:06,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-11-21 18:44:06,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-21 18:44:08,125 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-21 18:44:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:44:08,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 40 [2023-11-21 18:44:08,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-21 18:44:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:09,244 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse3 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse4 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse6 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0)) (.cse7 (= c_~ARR_SIZE~0 1)) (.cse8 (= |c_ULTIMATE.start_main_~index~0#1| 0)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0))) (and .cse0 (= 0 (select .cse1 0)) (= .cse2 0) .cse3 .cse4 .cse5 .cse6 (< 0 c_~ARR_SIZE~0) .cse7 .cse8 (not (and .cse0 .cse3 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse1 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse4 (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int)) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| Int)) (and (= (select v_arrayElimArr_3 0) 0) (= (store (select (store (store |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| v_DerPreprocessor_3) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| v_arrayElimArr_3) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|) 0 0) (select |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|)) (not (= |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1|)))) .cse5 .cse6 .cse7 .cse8)) (<= .cse2 0))) is different from false [2023-11-21 18:44:09,461 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (.cse3 (= (+ |c_ULTIMATE.start_main_~num~0#1| 1) 0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse4 (<= |c_ULTIMATE.start_main_~sum~0#1| 0)) (.cse5 (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0)) (.cse6 (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0)) (.cse7 (= c_~ARR_SIZE~0 1)) (.cse8 (= |c_ULTIMATE.start_main_~index~0#1| 0)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|) 0))) (and .cse0 (= 0 (select .cse1 0)) (= .cse2 0) .cse3 .cse4 .cse5 .cse6 (< 0 c_~ARR_SIZE~0) .cse7 .cse8 (not (and .cse0 .cse3 (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int))) (and (= .cse1 (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~#array1~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#array2~0#1.base|) 0 0)) (= (select v_arrayElimArr_2 0) 0))) .cse4 (exists ((v_DerPreprocessor_3 (Array Int Int)) (v_arrayElimArr_3 (Array Int Int)) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| Int)) (and (= (select v_arrayElimArr_3 0) 0) (= (store (select (store (store |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| v_DerPreprocessor_3) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1| v_arrayElimArr_3) |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|) 0 0) (select |c_#memory_int| |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1|)) (not (= |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_1|)))) .cse5 .cse6 .cse7 .cse8)) (<= .cse2 0)))) is different from true [2023-11-21 18:44:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 67 transitions. [2023-11-21 18:44:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2023-11-21 18:44:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:09,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-21 18:44:09,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:09,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 18:44:09,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-21 18:44:10,746 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-21 18:44:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:44:10,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 221 [2023-11-21 18:44:10,861 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:44:10,867 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2023-11-21 18:44:10,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 377 treesize of output 352 [2023-11-21 18:44:10,931 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-21 18:44:10,962 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:44:10,968 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2023-11-21 18:44:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:44:11,036 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-21 18:44:11,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 207 treesize of output 209 [2023-11-21 18:44:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:44:11,503 INFO L349 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2023-11-21 18:44:11,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 23