./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.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_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/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_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/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_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/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 c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:36,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:37,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:37,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:37,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:37,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:37,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:37,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:37,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:37,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:37,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:37,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:37,202 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:37,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:37,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:37,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:37,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:37,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:37,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:37,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:37,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:37,210 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:37,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:37,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:37,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:37,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:37,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:37,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:37,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:37,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:37,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:37,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:37,217 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:37,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:37,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:37,218 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_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2023-11-21 18:41:37,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:37,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:37,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:37,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:37,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:37,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-21 18:41:41,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:41,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:41,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-21 18:41:41,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/data/5ca67d799/d7fff639bc4940d3874a4097e3fb4961/FLAG620dc13b5 [2023-11-21 18:41:41,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/data/5ca67d799/d7fff639bc4940d3874a4097e3fb4961 [2023-11-21 18:41:41,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:41,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:41,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:41,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:41,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:41,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f9cd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41, skipping insertion in model container [2023-11-21 18:41:41,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:41,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:41,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:41,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:41,572 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:41,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41 WrapperNode [2023-11-21 18:41:41,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:41,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:41,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:41,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:41,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,621 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:41:41,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:41,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:41,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:41,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:41,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:41,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:41,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:41,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:41,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:41" (1/1) ... [2023-11-21 18:41:41,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:41,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:41,812 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:41,815 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:42,115 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:42,158 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:42,158 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:42,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:42 BoogieIcfgContainer [2023-11-21 18:41:42,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:42,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:42,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:42,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:42,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:42" (1/1) ... [2023-11-21 18:41:42,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:41:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:41:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:41:42,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,604 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 18:41:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:41:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:41:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:42,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,737 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 18:41:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:41:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:41:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:42,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,884 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 18:41:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:41:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:41:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:42,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:42,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,147 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 18:41:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:41:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:41:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:43,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:43,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,552 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 18:41:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:41:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:41:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:43,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:43,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:41:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:41:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:44,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:44,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:41:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:41:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:44,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:44,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:41:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:41:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:45,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:45,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:41:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:41:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:47,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:47,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:41:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:41:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:47,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:47,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:41:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:41:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:48,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:48,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:48,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 265 transitions. [2023-11-21 18:41:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2023-11-21 18:41:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:50,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:50,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:50,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 266 transitions. [2023-11-21 18:41:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2023-11-21 18:41:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:50,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:50,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:50,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 148 states and 267 transitions. [2023-11-21 18:41:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2023-11-21 18:41:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:50,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:50,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:50,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:50,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 154 states and 277 transitions. [2023-11-21 18:41:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2023-11-21 18:41:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:51,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:51,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 167 states and 304 transitions. [2023-11-21 18:41:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2023-11-21 18:41:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:53,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:54,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:54,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 315 transitions. [2023-11-21 18:41:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 315 transitions. [2023-11-21 18:41:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:55,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:55,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 182 states and 329 transitions. [2023-11-21 18:41:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 329 transitions. [2023-11-21 18:41:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:56,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:56,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:41:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 182 states and 324 transitions. [2023-11-21 18:41:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 324 transitions. [2023-11-21 18:41:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:57,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:57,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:57,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 186 states and 340 transitions. [2023-11-21 18:41:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 340 transitions. [2023-11-21 18:41:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:58,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:58,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:58,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 106 states and 152 transitions. [2023-11-21 18:41:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2023-11-21 18:41:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:59,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:59,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:42:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 51 states and 64 transitions. [2023-11-21 18:42:00,961 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-21 18:42:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:42:00,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:00,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:00,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:00,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 46 states and 56 transitions. [2023-11-21 18:42:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-21 18:42:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:42:04,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:04,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:04,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:42:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 45 states and 55 transitions. [2023-11-21 18:42:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-21 18:42:11,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:42:11,497 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-21 18:42:11,514 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-11-21 18:42:12,012 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-21 18:42:12,019 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:12,020 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:42:12,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:42:12 ImpRootNode [2023-11-21 18:42:12,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:42:12,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:42:12,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:42:12,021 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:42:12,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:42" (3/4) ... [2023-11-21 18:42:12,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:42:12,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:42:12,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-21 18:42:12,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:42:12,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:42:12,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:42:12,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:42:12,177 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:42:12,178 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:42:12,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:42:12,179 INFO L158 Benchmark]: Toolchain (without parser) took 30883.19ms. Allocated memory was 144.7MB in the beginning and 270.5MB in the end (delta: 125.8MB). Free memory was 98.8MB in the beginning and 77.9MB in the end (delta: 20.9MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,179 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 144.7MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:12,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.19ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 87.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.93ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,182 INFO L158 Benchmark]: Boogie Preprocessor took 33.68ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:42:12,183 INFO L158 Benchmark]: RCFGBuilder took 502.78ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 68.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,183 INFO L158 Benchmark]: CodeCheck took 29859.17ms. Allocated memory was 144.7MB in the beginning and 270.5MB in the end (delta: 125.8MB). Free memory was 68.3MB in the beginning and 83.0MB in the end (delta: -14.7MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,184 INFO L158 Benchmark]: Witness Printer took 157.27ms. Allocated memory is still 270.5MB. Free memory was 83.0MB in the beginning and 77.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:42:12,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3688 SdHoareTripleChecker+Valid, 18.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2684 mSDsluCounter, 2094 SdHoareTripleChecker+Invalid, 15.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1006 mSDsCounter, 1757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10998 IncrementalHoareTripleChecker+Invalid, 12755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1757 mSolverCounterUnsat, 1088 mSDtfsCounter, 10998 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5528 GetRequests, 4951 SyntacticMatches, 159 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95430 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 155/164 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((1 <= counter) || (((((r <= 2147483647) && (q == 0)) && (1 <= d)) && (d <= 1)) && (0 <= (r + 2147483648)))) || (counter < 0)) || !(((p == 1) && (B == 1)))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 144.7MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.19ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 87.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.93ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.68ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.78ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 68.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29859.17ms. Allocated memory was 144.7MB in the beginning and 270.5MB in the end (delta: 125.8MB). Free memory was 68.3MB in the beginning and 83.0MB in the end (delta: -14.7MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. * Witness Printer took 157.27ms. Allocated memory is still 270.5MB. Free memory was 83.0MB in the beginning and 77.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:42:12,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4240bf96-5de5-48fb-ae7d-c4c26c6a66d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE