/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 03:31:26,481 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-05-01 03:31:26,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-05-01 03:31:26,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-05-01 03:31:26,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-05-01 03:31:26,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-05-01 03:31:26,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-05-01 03:31:26,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2021-05-01 03:31:26,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-05-01 03:31:26,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-05-01 03:31:26,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-05-01 03:31:26,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 03:31:26,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 03:31:26,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 03:31:26,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 03:31:26,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 03:31:26,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 03:31:26,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 03:31:26,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values
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[2021-05-01 03:31:26,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-05-01 03:31:26,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-05-01 03:31:26,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-05-01 03:31:26,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-05-01 03:31:26,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-05-01 03:31:26,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-05-01 03:31:26,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-05-01 03:31:26,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 03:31:26,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2021-05-01 03:31:26,623 INFO L113 SettingsManager]: Loading preferences was successful
[2021-05-01 03:31:26,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 03:31:26,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 03:31:26,626 INFO L138 SettingsManager]: * sizeof long=4
[2021-05-01 03:31:26,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-05-01 03:31:26,626 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-05-01 03:31:26,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-05-01 03:31:26,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 03:31:26,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 03:31:26,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 03:31:26,627 INFO L138 SettingsManager]: * sizeof long double=12
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-05-01 03:31:26,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-05-01 03:31:26,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 03:31:26,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 03:31:26,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-05-01 03:31:26,632 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-05-01 03:31:26,632 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 03:31:26,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 03:31:26,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 03:31:26,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 03:31:26,963 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-05-01 03:31:26,964 INFO L275 PluginConnector]: CDTParser initialized
[2021-05-01 03:31:26,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c
[2021-05-01 03:31:27,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0ec04e1/40d75cdb1e484090851f6558967a8a8b/FLAG4c2b8baf3
[2021-05-01 03:31:27,522 INFO L306 CDTParser]: Found 1 translation units.
[2021-05-01 03:31:27,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c
[2021-05-01 03:31:27,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0ec04e1/40d75cdb1e484090851f6558967a8a8b/FLAG4c2b8baf3
[2021-05-01 03:31:28,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0ec04e1/40d75cdb1e484090851f6558967a8a8b
[2021-05-01 03:31:28,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 03:31:28,011 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-05-01 03:31:28,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 03:31:28,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 03:31:28,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 03:31:28,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443e9c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28, skipping insertion in model container
[2021-05-01 03:31:28,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-05-01 03:31:28,035 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-05-01 03:31:28,130 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123]
[2021-05-01 03:31:28,134 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 03:31:28,141 INFO L203 MainTranslator]: Completed pre-run
[2021-05-01 03:31:28,177 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123]
[2021-05-01 03:31:28,178 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 03:31:28,194 INFO L208 MainTranslator]: Completed translation
[2021-05-01 03:31:28,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28 WrapperNode
[2021-05-01 03:31:28,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 03:31:28,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 03:31:28,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 03:31:28,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 03:31:28,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 03:31:28,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 03:31:28,217 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 03:31:28,218 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-05-01 03:31:28,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 03:31:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 03:31:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 03:31:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 03:31:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-05-01 03:31:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 03:31:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-05-01 03:31:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 03:31:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 03:31:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 03:31:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 03:31:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 03:31:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 03:31:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 03:31:28,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 03:31:28,539 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-05-01 03:31:28,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:31:28 BoogieIcfgContainer
[2021-05-01 03:31:28,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 03:31:28,541 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2021-05-01 03:31:28,541 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2021-05-01 03:31:28,542 INFO L275 PluginConnector]: IcfgTransformer initialized
[2021-05-01 03:31:28,544 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:31:28" (1/1) ...
[2021-05-01 03:31:28,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 03:31:28,651 INFO L181 rdanLoopAcceleration]: Guard: Formula: (not (= 0 v_main_~main__x~0_3)) InVars {main_~main__x~0=v_main_~main__x~0_3} OutVars{main_~main__x~0=v_main_~main__x~0_3} AuxVars[] AssignedVars[]
[2021-05-01 03:31:28,694 WARN L240 tifierPushTermWalker]: treesize reduction 16, result has 81.2 percent of original size
[2021-05-01 03:31:28,713 INFO L108 tifierPushTermWalker]: treesize reduction 4, result has 20.0 percent of original size
[2021-05-01 03:31:28,715 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size
[2021-05-01 03:31:28,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,725 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,729 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,738 INFO L118 tifierPushTermWalker]: treesize reduction 3, result has 25.0 percent of original size
[2021-05-01 03:31:28,744 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,749 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,763 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,774 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,779 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,785 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,792 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,797 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,801 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:28,807 WARN L245 tifierPushTermWalker]: treesize reduction 16, result has 81.2 percent of original size 69
[2021-05-01 03:31:28,848 INFO L1111 elerationTransformer]: Accelerated Formula: (and (= v_main_~main____CPAchecker_TMP_1~0_1 v_main_~main__y~0_3) (= v_main_~main__y~0_2 (+ v_main_~main__y~0_3 (- 1))) (= v_main_~main__x~0_2 (+ v_main_~main__x~0_3 (- 1))) (not (= 0 v_main_~main__x~0_3)) (= v_main_~main____CPAchecker_TMP_0~0_1 v_main_~main__x~0_3)) InVars {main_~main__x~0=v_main_~main__x~0_3, main_~main__y~0=v_main_~main__y~0_3} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_1, main_~main____CPAchecker_TMP_1~0=v_main_~main____CPAchecker_TMP_1~0_1, main_~main__x~0=v_main_~main__x~0_2, main_~main__y~0=v_main_~main__y~0_2} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_0~0, main_~main____CPAchecker_TMP_1~0, main_~main__x~0, main_~main__y~0] with Formula: (or (and (< 0 v_itFin_1) (= (+ v_main_~main__x~0_3 1) (+ v_itFin_1 v_main_~main____CPAchecker_TMP_0~0_1)) (= (+ v_main_~main__y~0_3 1) (+ v_itFin_1 v_main_~main____CPAchecker_TMP_1~0_1)) (= (+ v_itFin_1 v_main_~main__x~0_2) v_main_~main__x~0_3) (= (+ v_itFin_1 v_main_~main__y~0_2) v_main_~main__y~0_3) (= v_itFin_1 v_main_~main__x~0_3)) (and (= 0 v_main_~main__x~0_3) (= v_itFin_1 0) (= v_main_~main__x~0_3 v_main_~main__x~0_2) (= v_main_~main____CPAchecker_TMP_0~0_2 v_main_~main____CPAchecker_TMP_0~0_1) (= v_main_~main__y~0_3 v_main_~main__y~0_2) (= v_main_~main____CPAchecker_TMP_1~0_2 v_main_~main____CPAchecker_TMP_1~0_1))) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2, main_~main____CPAchecker_TMP_1~0=v_main_~main____CPAchecker_TMP_1~0_2, main_~main__x~0=v_main_~main__x~0_3, main_~main__y~0=v_main_~main__y~0_3} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_1, main_~main____CPAchecker_TMP_1~0=v_main_~main____CPAchecker_TMP_1~0_1, main_~main__x~0=v_main_~main__x~0_2, main_~main__y~0=v_main_~main__y~0_2} AuxVars[v_itFin_1] AssignedVars[main_~main____CPAchecker_TMP_0~0, main_~main____CPAchecker_TMP_1~0, main_~main__x~0, main_~main__y~0]
[2021-05-01 03:31:28,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:31:28 BasicIcfg
[2021-05-01 03:31:28,861 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2021-05-01 03:31:28,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 03:31:28,863 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 03:31:28,865 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-05-01 03:31:28,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 03:31:28" (1/4) ...
[2021-05-01 03:31:28,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8b0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:31:28, skipping insertion in model container
[2021-05-01 03:31:28,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:31:28" (2/4) ...
[2021-05-01 03:31:28,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8b0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:31:28, skipping insertion in model container
[2021-05-01 03:31:28,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:31:28" (3/4) ...
[2021-05-01 03:31:28,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8b0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 03:31:28, skipping insertion in model container
[2021-05-01 03:31:28,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:31:28" (4/4) ...
[2021-05-01 03:31:28,870 INFO L111 eAbstractionObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.cJordan
[2021-05-01 03:31:28,874 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2021-05-01 03:31:28,879 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 03:31:28,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 03:31:28,913 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-05-01 03:31:28,914 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-05-01 03:31:28,914 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates
[2021-05-01 03:31:28,914 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 03:31:28,914 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 03:31:28,914 INFO L381 AbstractCegarLoop]: Difference is false
[2021-05-01 03:31:28,914 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 03:31:28,915 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 03:31:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 03:31:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 03:31:28,946 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 03:31:28,947 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 03:31:28,947 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 03:31:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 03:31:28,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1936523046, now seen corresponding path program 1 times
[2021-05-01 03:31:28,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 03:31:28,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46670974]
[2021-05-01 03:31:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 03:31:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 03:31:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,136 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size
[2021-05-01 03:31:29,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-05-01 03:31:29,171 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size
[2021-05-01 03:31:29,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-05-01 03:31:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 03:31:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 03:31:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 03:31:29,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 03:31:29,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 03:31:29,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46670974]
[2021-05-01 03:31:29,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46670974] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 03:31:29,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 03:31:29,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-05-01 03:31:29,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633722999]
[2021-05-01 03:31:29,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-05-01 03:31:29,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 03:31:29,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-05-01 03:31:29,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-05-01 03:31:29,337 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 03:31:29,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 03:31:29,644 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions.
[2021-05-01 03:31:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-05-01 03:31:29,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2021-05-01 03:31:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 03:31:29,652 INFO L225 Difference]: With dead ends: 26
[2021-05-01 03:31:29,652 INFO L226 Difference]: Without dead ends: 14
[2021-05-01 03:31:29,654 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 317.2ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2021-05-01 03:31:29,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2021-05-01 03:31:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2021-05-01 03:31:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 03:31:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2021-05-01 03:31:29,679 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12
[2021-05-01 03:31:29,679 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 03:31:29,679 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2021-05-01 03:31:29,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 03:31:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2021-05-01 03:31:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-05-01 03:31:29,680 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 03:31:29,680 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 03:31:29,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-05-01 03:31:29,681 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 03:31:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 03:31:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash 96372484, now seen corresponding path program 1 times
[2021-05-01 03:31:29,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 03:31:29,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056854421]
[2021-05-01 03:31:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 03:31:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 03:31:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-05-01 03:31:29,741 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size
[2021-05-01 03:31:29,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41
[2021-05-01 03:31:29,778 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.2 percent of original size
[2021-05-01 03:31:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37
[2021-05-01 03:31:29,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-05-01 03:31:29,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 03:31:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 03:31:29,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 03:31:29,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 03:31:29,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056854421]
[2021-05-01 03:31:29,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056854421] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 03:31:29,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256235378]
[2021-05-01 03:31:29,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-05-01 03:31:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 03:31:29,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjunts are in the unsatisfiable core
[2021-05-01 03:31:29,935 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-05-01 03:31:29,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:29,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 03:31:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 03:31:29,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 03:31:29,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-05-01 03:31:29,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,006 INFO L147 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size 40
[2021-05-01 03:31:30,009 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size
[2021-05-01 03:31:30,013 INFO L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27
[2021-05-01 03:31:30,023 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size
[2021-05-01 03:31:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-05-01 03:31:30,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-05-01 03:31:30,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31
[2021-05-01 03:31:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 03:31:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 03:31:30,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-05-01 03:31:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32
[2021-05-01 03:31:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,089 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 03:31:30,091 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size
[2021-05-01 03:31:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24
[2021-05-01 03:31:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-05-01 03:31:30,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,098 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-05-01 03:31:30,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 03:31:30,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 03:31:30,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 03:31:30,115 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-05-01 03:31:30,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:30,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:30,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:30,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 03:31:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 03:31:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 03:31:30,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256235378] provided 0 perfect and 1 imperfect interpolant sequences
[2021-05-01 03:31:30,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-05-01 03:31:30,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11
[2021-05-01 03:31:30,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747825014]
[2021-05-01 03:31:30,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-05-01 03:31:30,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 03:31:30,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-05-01 03:31:30,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2021-05-01 03:31:30,129 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 03:31:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 03:31:30,380 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions.
[2021-05-01 03:31:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-05-01 03:31:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2021-05-01 03:31:30,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 03:31:30,380 INFO L225 Difference]: With dead ends: 12
[2021-05-01 03:31:30,381 INFO L226 Difference]: Without dead ends: 0
[2021-05-01 03:31:30,381 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 346.0ms TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2021-05-01 03:31:30,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-05-01 03:31:30,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-05-01 03:31:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-05-01 03:31:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-05-01 03:31:30,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2021-05-01 03:31:30,382 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-05-01 03:31:30,382 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-05-01 03:31:30,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-05-01 03:31:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-05-01 03:31:30,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-05-01 03:31:30,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2021-05-01 03:31:30,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 03:31:30 BasicIcfg
[2021-05-01 03:31:30,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-05-01 03:31:30,601 INFO L168 Benchmark]: Toolchain (without parser) took 2590.90 ms. Allocated memory was 127.9 MB in the beginning and 172.0 MB in the end (delta: 44.0 MB). Free memory was 105.2 MB in the beginning and 138.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,602 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 127.9 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.82 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 110.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,602 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 127.9 MB. Free memory was 110.9 MB in the beginning and 109.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,603 INFO L168 Benchmark]: RCFGBuilder took 323.10 ms. Allocated memory is still 127.9 MB. Free memory was 109.4 MB in the beginning and 95.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,603 INFO L168 Benchmark]: IcfgTransformer took 320.16 ms. Allocated memory is still 127.9 MB. Free memory was 95.4 MB in the beginning and 102.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,603 INFO L168 Benchmark]: TraceAbstraction took 1738.09 ms. Allocated memory was 127.9 MB in the beginning and 172.0 MB in the end (delta: 44.0 MB). Free memory was 102.1 MB in the beginning and 138.5 MB in the end (delta: -36.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB.
[2021-05-01 03:31:30,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from IcfgTransformer:
- StatisticsResult: Jordan loop acceleration statistics
0 HavocedVariables, 4 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {0={1=2}, 1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40 ms. Allocated memory is still 127.9 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 180.82 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 110.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 21.07 ms. Allocated memory is still 127.9 MB. Free memory was 110.9 MB in the beginning and 109.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 323.10 ms. Allocated memory is still 127.9 MB. Free memory was 109.4 MB in the beginning and 95.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
* IcfgTransformer took 320.16 ms. Allocated memory is still 127.9 MB. Free memory was 95.4 MB in the beginning and 102.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 1738.09 ms. Allocated memory was 127.9 MB in the beginning and 172.0 MB in the end (delta: 44.0 MB). Free memory was 102.1 MB in the beginning and 138.5 MB in the end (delta: -36.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 53]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1686.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 24.3ms, AutomataDifference: 609.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 34 SDslu, 52 SDs, 0 SdLazy, 88 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 109.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 663.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.1ms SsaConstructionTime, 82.7ms SatisfiabilityAnalysisTime, 586.1ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 7 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...