./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/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_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2 --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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:14,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:14,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:14,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:14,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:14,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:14,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:14,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:14,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:14,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:14,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:14,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:14,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:14,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:14,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:14,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:14,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:14,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:14,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:14,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:14,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:14,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:14,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:14,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:14,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:14,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:14,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:14,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:14,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:14,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:14,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:14,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:14,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:14,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:14,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:14,836 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_7fd55f64-7e16-4848-80f5-40c6ce66a645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2023-11-21 18:48:15,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:15,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:15,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:15,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:15,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:15,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2023-11-21 18:48:18,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:18,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:18,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2023-11-21 18:48:18,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/data/edd62f8a6/2bbf3c1381c34a1dac9499e25503c5e0/FLAG865749685 [2023-11-21 18:48:18,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/data/edd62f8a6/2bbf3c1381c34a1dac9499e25503c5e0 [2023-11-21 18:48:18,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:18,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:18,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:18,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:18,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:18,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:18" (1/1) ... [2023-11-21 18:48:18,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49594851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:18, skipping insertion in model container [2023-11-21 18:48:18,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:18" (1/1) ... [2023-11-21 18:48:19,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:19,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:19,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:19,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:19,819 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:19,827 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:19,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19 WrapperNode [2023-11-21 18:48:19,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:19,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:19,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:19,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:19,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,003 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-21 18:48:20,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:20,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:20,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:20,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:20,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:20,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:20,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:20,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:20,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:20,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:20,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd55f64-7e16-4848-80f5-40c6ce66a645/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:48:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:48:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:48:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:48:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:48:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:48:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:48:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:20,553 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:20,557 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:22,265 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:23,991 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:23,991 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:48:23,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:23 BoogieIcfgContainer [2023-11-21 18:48:23,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:23,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:23,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:24,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:24,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:23" (1/1) ... [2023-11-21 18:48:24,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2023-11-21 18:48:24,107 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2023-11-21 18:48:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:48:24,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:24,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:24,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:48:24,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:24,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:48:24,559 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:48:24,561 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:48:24,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:48:24,571 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 [2023-11-21 18:48:24,580 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 18:48:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-21 18:48:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-21 18:48:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:48:24,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:24,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:48:24,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:24,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:48:24,783 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:48:24,784 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:48:24,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:48:24,796 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 [2023-11-21 18:48:24,805 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 18:48:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-21 18:48:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-21 18:48:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:48:24,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:24,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:24,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:24,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:24,980 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 18:48:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:24,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 133 states and 215 transitions. [2023-11-21 18:48:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2023-11-21 18:48:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:48:24,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,132 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 18:48:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-11-21 18:48:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-11-21 18:48:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:48:25,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,380 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 18:48:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 205 transitions. [2023-11-21 18:48:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2023-11-21 18:48:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:25,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,628 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 18:48:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-11-21 18:48:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-11-21 18:48:25,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:48:25,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,909 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 18:48:35,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:48:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 133 states and 193 transitions. [2023-11-21 18:48:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-11-21 18:48:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:48:36,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:36,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:36,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:46,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:48:56,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:06,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 140 states and 202 transitions. [2023-11-21 18:49:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2023-11-21 18:49:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:06,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:07,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,141 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 18:49:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 140 states and 200 transitions. [2023-11-21 18:49:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 200 transitions. [2023-11-21 18:49:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:49:07,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:07,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,355 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 18:49:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 140 states and 198 transitions. [2023-11-21 18:49:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2023-11-21 18:49:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:49:07,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:49:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 140 states and 198 transitions. [2023-11-21 18:49:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2023-11-21 18:49:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:49:12,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:12,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:19,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 142 states and 202 transitions. [2023-11-21 18:49:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 202 transitions. [2023-11-21 18:49:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:19,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms