./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305ef194ca8c72f4da0a6deb18ed40b72305718d65c18a21aa3fcb3830c499e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:21,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:22,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:22,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:22,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:22,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:22,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:22,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:22,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:22,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:22,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:22,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:22,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:22,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:22,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:22,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:22,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:22,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:22,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:22,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:22,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:22,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:22,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:22,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:22,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:22,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:22,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:22,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:22,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:22,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:22,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:22,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:22,110 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:22,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:22,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:22,111 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_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ef194ca8c72f4da0a6deb18ed40b72305718d65c18a21aa3fcb3830c499e5 [2023-11-23 20:22:22,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:22,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:22,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:22,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:22,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:22,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c [2023-11-23 20:22:25,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:25,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:25,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c [2023-11-23 20:22:25,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/data/786c9d567/1e158e74b028474d93b3c408a53e293c/FLAGda5f75616 [2023-11-23 20:22:25,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/data/786c9d567/1e158e74b028474d93b3c408a53e293c [2023-11-23 20:22:25,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:25,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:25,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:25,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:25,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:25,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:25" (1/1) ... [2023-11-23 20:22:25,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7522dcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:25, skipping insertion in model container [2023-11-23 20:22:25,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:25" (1/1) ... [2023-11-23 20:22:25,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:26,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:26,136 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:26,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:26,202 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:26,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26 WrapperNode [2023-11-23 20:22:26,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:26,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:26,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:26,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:26,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,260 INFO L138 Inliner]: procedures = 16, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-23 20:22:26,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:26,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:26,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:26,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:26,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:26,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:26,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:26,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:26,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:26,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:26,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96b14a8-7bce-4b43-ae32-e8503b3a25ca/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:22:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_42_0 [2023-11-23 20:22:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_42_0 [2023-11-23 20:22:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:22:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:26,529 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:26,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:26,909 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:26,950 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:26,950 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:26,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:26 BoogieIcfgContainer [2023-11-23 20:22:26,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:26,953 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:26,953 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:26,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:26,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2023-11-23 20:22:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2023-11-23 20:22:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:22:27,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:27,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:22:27,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:27,570 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:22:27,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2157 treesize of output 2091 [2023-11-23 20:22:27,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-23 20:22:27,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:22:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 71 transitions. [2023-11-23 20:22:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-11-23 20:22:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:28,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:28,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:22:28,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:28,284 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:22:28,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 857 treesize of output 825 [2023-11-23 20:22:28,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-23 20:22:28,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:22:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 75 transitions. [2023-11-23 20:22:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2023-11-23 20:22:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:22:29,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:29,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:29,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:22:29,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:29,147 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 448 treesize of output 442 [2023-11-23 20:22:29,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:22:29,253 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:29,254 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2023-11-23 20:22:29,262 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 61 treesize of output 57 [2023-11-23 20:22:29,294 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 [2023-11-23 20:22:29,302 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 36 treesize of output 19 [2023-11-23 20:22:29,306 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 [2023-11-23 20:22:29,325 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:22:29,325 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2023-11-23 20:22:29,332 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 16 treesize of output 11 [2023-11-23 20:22:29,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:22:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 84 transitions. [2023-11-23 20:22:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2023-11-23 20:22:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:30,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:30,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:31,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:22:31,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:31,037 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 6710 treesize of output 6646 [2023-11-23 20:22:31,135 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 [2023-11-23 20:22:31,144 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 36 treesize of output 19 [2023-11-23 20:22:31,149 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 [2023-11-23 20:22:31,160 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:22:31,161 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2023-11-23 20:22:31,167 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 16 treesize of output 11 [2023-11-23 20:22:31,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:22:31,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:22:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 95 transitions. [2023-11-23 20:22:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-23 20:22:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:33,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:33,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:33,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 20:22:33,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:33,262 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2023-11-23 20:22:33,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 190 [2023-11-23 20:22:33,276 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-23 20:22:33,286 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 8 treesize of output 1 [2023-11-23 20:22:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,199 INFO L349 Elim1Store]: treesize reduction 171, result has 29.6 percent of original size [2023-11-23 20:22:34,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 218 [2023-11-23 20:22:34,233 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 11 [2023-11-23 20:22:34,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,261 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 [2023-11-23 20:22:34,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,291 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 [2023-11-23 20:22:34,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:22:34,377 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-23 20:22:34,378 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 1 case distinctions, treesize of input 27 treesize of output 22 [2023-11-23 20:22:34,449 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:34,450 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2023-11-23 20:22:34,495 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:34,496 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2023-11-23 20:22:34,533 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:34,544 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2023-11-23 20:22:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:34,661 INFO L349 Elim1Store]: treesize reduction 61, result has 35.1 percent of original size [2023-11-23 20:22:34,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 174 treesize of output 193 [2023-11-23 20:22:34,789 INFO L349 Elim1Store]: treesize reduction 45, result has 10.0 percent of original size [2023-11-23 20:22:34,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 28 [2023-11-23 20:22:34,850 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:34,852 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2023-11-23 20:22:34,999 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:22:35,001 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2023-11-23 20:22:36,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:22:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 108 transitions. [2023-11-23 20:22:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2023-11-23 20:22:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:41,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-23 20:22:41,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:41,169 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2023-11-23 20:22:41,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 255 treesize of output 259 [2023-11-23 20:22:41,197 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-23 20:22:41,210 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 16 treesize of output 11 [2023-11-23 20:22:42,530 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:22:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:22:42,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 25 [2023-11-23 20:22:44,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2023-11-23 20:22:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:22:53,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.34s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:23:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 95 states and 124 transitions. [2023-11-23 20:23:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2023-11-23 20:23:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:23:00,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:01,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:23:01,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:01,062 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 1014 treesize of output 998 [2023-11-23 20:23:01,101 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 [2023-11-23 20:23:01,106 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:23:01,107 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2023-11-23 20:23:01,112 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 38 treesize of output 37 [2023-11-23 20:23:01,141 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-23 20:23:01,141 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 27 [2023-11-23 20:23:01,146 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 27 treesize of output 20 [2023-11-23 20:23:01,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:23:02,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:23:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 104 states and 142 transitions. [2023-11-23 20:23:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2023-11-23 20:23:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:23:06,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:06,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:06,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:23:06,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:06,590 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 830 treesize of output 822 [2023-11-23 20:23:06,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:23:06,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-23 20:23:06,660 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 [2023-11-23 20:23:06,668 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 [2023-11-23 20:23:06,677 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:23:06,678 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2023-11-23 20:23:06,683 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 16 treesize of output 11 [2023-11-23 20:23:07,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:23:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 115 states and 165 transitions. [2023-11-23 20:23:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-23 20:23:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:14,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:14,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:23:14,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:14,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:23:14,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2885 treesize of output 2857 [2023-11-23 20:23:14,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-23 20:23:14,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:23:14,576 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-23 20:23:14,580 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 16 treesize of output 11 [2023-11-23 20:23:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.