./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL --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 e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:55,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:56,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:04:56,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:56,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:56,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:56,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:56,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:56,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:56,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:56,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:56,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:56,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:56,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:56,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:56,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:56,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:56,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:56,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:56,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:56,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:56,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:56,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:56,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:56,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:56,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:56,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:56,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:56,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:56,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:56,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:56,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:56,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:56,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:56,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:56,221 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_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f [2023-11-19 04:04:56,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:56,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:56,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:56,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:56,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:56,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/test22-1.c [2023-11-19 04:05:00,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:00,351 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:00,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/sv-benchmarks/c/ldv-regression/test22-1.c [2023-11-19 04:05:00,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/data/d39a0275c/e573dc5277054f44b7bb90f6ae487aa1/FLAGe371b5deb [2023-11-19 04:05:00,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/data/d39a0275c/e573dc5277054f44b7bb90f6ae487aa1 [2023-11-19 04:05:00,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:00,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:00,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:00,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:00,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:00,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a496875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00, skipping insertion in model container [2023-11-19 04:05:00,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:00,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:00,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:00,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:00,708 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:00,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00 WrapperNode [2023-11-19 04:05:00,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:00,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:00,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:00,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:00,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,752 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-11-19 04:05:00,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:00,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:00,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:00,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:00,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:00,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:00,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:00,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:00,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:00,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:00,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:00,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74dd2e8-f1b8-4462-86b5-5000bacd3b9c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:05:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2023-11-19 04:05:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2023-11-19 04:05:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:05:00,954 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:00,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:01,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:01,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:01,291 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:05:01,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:01 BoogieIcfgContainer [2023-11-19 04:05:01,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:01,297 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:01,297 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:01,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:01,312 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 04:05:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 04:05:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:01,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-19 04:05:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 04:05:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:02,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 28 transitions. [2023-11-19 04:05:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 04:05:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:04,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 32 transitions. [2023-11-19 04:05:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 04:05:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:05:04,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 30 states and 38 transitions. [2023-11-19 04:05:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 04:05:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:05:07,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 26 states and 32 transitions. [2023-11-19 04:05:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 04:05:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:05:07,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 30 states and 38 transitions. [2023-11-19 04:05:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 04:05:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:05:10,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:10,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 34 states and 44 transitions. [2023-11-19 04:05:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 04:05:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:05:14,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:14,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 49 transitions. [2023-11-19 04:05:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-19 04:05:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:05:16,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 59 transitions. [2023-11-19 04:05:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 04:05:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:05:19,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:05:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 64 transitions. [2023-11-19 04:05:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-19 04:05:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:05:26,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 85 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 68 transitions. [2023-11-19 04:05:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-19 04:05:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:05:31,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 58 states and 72 transitions. [2023-11-19 04:05:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-19 04:05:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:05:34,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 76 transitions. [2023-11-19 04:05:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-11-19 04:05:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:05:38,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 1 proven. 181 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 66 states and 79 transitions. [2023-11-19 04:05:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2023-11-19 04:05:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:05:40,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 171 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.