./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/dijkstra.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/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_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/dijkstra.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/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_12ffb86c-4b6c-4d13-8a3f-d66909be5357/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 8c2c25cf461f08df93633b3a41b472f1ef6c33d9d6e519054ad0fbe6ddfed0fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:44,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:44,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:44,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:44,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:44,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:44,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:44,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:44,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:44,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:44,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:44,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:44,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:44,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:44,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:44,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:44,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:44,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:44,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:44,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:44,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:44,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:44,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:44,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:44,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:44,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:44,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:44,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:44,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:44,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:44,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:44,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:44,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:44,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:44,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:44,632 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_12ffb86c-4b6c-4d13-8a3f-d66909be5357/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c2c25cf461f08df93633b3a41b472f1ef6c33d9d6e519054ad0fbe6ddfed0fc [2023-11-21 18:45:44,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:45,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:45,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:45,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:45,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:45,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/dijkstra.c [2023-11-21 18:45:48,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:48,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:48,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/sv-benchmarks/c/nla-digbench/dijkstra.c [2023-11-21 18:45:48,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/data/fc6c4b068/346f650a067542c99397fbc2fc8dfeb7/FLAG6a4a23fc2 [2023-11-21 18:45:48,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/data/fc6c4b068/346f650a067542c99397fbc2fc8dfeb7 [2023-11-21 18:45:48,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:48,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:48,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:48,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:48,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:48,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:48" (1/1) ... [2023-11-21 18:45:48,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd835c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:48, skipping insertion in model container [2023-11-21 18:45:48,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:48" (1/1) ... [2023-11-21 18:45:48,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:49,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:49,119 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:49,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:49,176 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:49,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49 WrapperNode [2023-11-21 18:45:49,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:49,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:49,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:49,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:49,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,297 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 316 [2023-11-21 18:45:49,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:49,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:49,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:49,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:49,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:49,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:49,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:49,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:49,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:49" (1/1) ... [2023-11-21 18:45:49,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:49,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:49,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:49,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ffb86c-4b6c-4d13-8a3f-d66909be5357/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:45:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:45:49,572 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:49,575 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:33,257 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:33,314 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:33,315 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:46:33,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:33 BoogieIcfgContainer [2023-11-21 18:46:33,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:33,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:33,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:33,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:33,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 535 states and 547 transitions. [2023-11-21 18:46:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 547 transitions. [2023-11-21 18:46:33,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:33,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,625 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 18:46:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 534 states and 544 transitions. [2023-11-21 18:46:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 544 transitions. [2023-11-21 18:46:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:33,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,815 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 18:46:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 537 states and 548 transitions. [2023-11-21 18:46:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 548 transitions. [2023-11-21 18:46:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:33,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,028 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 18:46:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 538 states and 549 transitions. [2023-11-21 18:46:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 549 transitions. [2023-11-21 18:46:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:34,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,171 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 18:46:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 540 states and 554 transitions. [2023-11-21 18:46:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 554 transitions. [2023-11-21 18:46:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:34,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,391 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 18:46:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 541 states and 555 transitions. [2023-11-21 18:46:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 555 transitions. [2023-11-21 18:46:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:34,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,481 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 18:46:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 545 states and 561 transitions. [2023-11-21 18:46:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 561 transitions. [2023-11-21 18:46:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:34,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 548 states and 567 transitions. [2023-11-21 18:46:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 567 transitions. [2023-11-21 18:46:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:34,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,926 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 18:46:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 549 states and 568 transitions. [2023-11-21 18:46:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 568 transitions. [2023-11-21 18:46:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:34,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 553 states and 574 transitions. [2023-11-21 18:46:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 574 transitions. [2023-11-21 18:46:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:35,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 553 states and 573 transitions. [2023-11-21 18:46:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 573 transitions. [2023-11-21 18:46:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:46:35,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 557 states and 580 transitions. [2023-11-21 18:46:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 580 transitions. [2023-11-21 18:46:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:37,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,115 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 18:46:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 556 states and 579 transitions. [2023-11-21 18:46:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 579 transitions. [2023-11-21 18:46:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:37,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 552 states and 571 transitions. [2023-11-21 18:46:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 571 transitions. [2023-11-21 18:46:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:37,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 557 states and 579 transitions. [2023-11-21 18:46:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 579 transitions. [2023-11-21 18:46:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:38,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,299 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 18:46:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 560 states and 584 transitions. [2023-11-21 18:46:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 584 transitions. [2023-11-21 18:46:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:38,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 564 states and 590 transitions. [2023-11-21 18:46:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 590 transitions. [2023-11-21 18:46:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:38,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:46:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 564 states and 589 transitions. [2023-11-21 18:46:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 589 transitions. [2023-11-21 18:46:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:39,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:39,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:39,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:39,384 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 18:46:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 573 states and 602 transitions. [2023-11-21 18:46:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 602 transitions. [2023-11-21 18:46:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:40,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:40,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:40,427 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 18:46:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 583 states and 615 transitions. [2023-11-21 18:46:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 615 transitions. [2023-11-21 18:46:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:41,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:41,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:41,683 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 18:46:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 586 states and 619 transitions. [2023-11-21 18:46:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 619 transitions. [2023-11-21 18:46:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:42,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:46:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 591 states and 627 transitions. [2023-11-21 18:46:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 627 transitions. [2023-11-21 18:46:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:42,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:43,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:43,320 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 18:46:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 592 states and 628 transitions. [2023-11-21 18:46:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 628 transitions. [2023-11-21 18:46:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:43,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 596 states and 634 transitions. [2023-11-21 18:46:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 634 transitions. [2023-11-21 18:46:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:44,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:46:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 596 states and 633 transitions. [2023-11-21 18:46:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 633 transitions. [2023-11-21 18:46:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:44,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:44,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 605 states and 648 transitions. [2023-11-21 18:46:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 648 transitions. [2023-11-21 18:46:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:48,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:48,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:48,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.